LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Com. DEGREE EXAMINATION – COMMERCE
FIFTH SEMESTER – NOVEMBER 2010
CO 5501 – COST ACCOUNTING
Date : 01-11-10 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
PART – A
Answer ALL questions: (10 x 2 = 20 marks)
Explain the following terms: Questions 1 – 4.
- `By products’ and `Joint products’
- Cost unit and Unit cost
- Absorption of overheads
- Cost plus contract
- State whether the following statements are True OR False:
- a) Abnormal idle time cost is recovered from the customer.
- b) During periods of rising material prices, FIFO method results in inflating the profit.
- A contract commenced on 1/7/2010. Details relating to the contract upto 31/12/2010 was as follows:
Material issued Rs.42,000
Wages paid Rs.30,000
Overheads Rs.15,000
Material at site on 31/12/2010 Rs.2000
20% of the material used and 10% of the wages paid are incurred for the work done but not certified.
Overheads are charged to the uncertified work as a %age on direct wages.
Calculate the cost of work uncertified as on 31/12/2010.
- From the following data, calculate re-order level and maximum level.
Rate of consumption – 10 to 20 units per day
Lead time – 6 to 10 days
Reorder quantity – 200 units
- From the following data, prepare Process 1 account
Materials introduced 4700 units at Rs.28,200
Labour Rs.14,910
Overheads Rs.10,000
Normal loss 10% of input
Scarp realized Rs.5 per unit
Output 4,300 units.
- From the following data calculate Labour turnover rate using Flux method:
No of workers at the beginning of the month – 500
No of workers at the end of the month – 600
During the month 5 workers left, 20 workers were discharged and 75 workers were recruited. Of these 10 workers were recruited for the vacancies of those leaving, while the rest were engaged for an expansion scheme.
- From the following data, calculate the Economic Batch Quantity:
Annual usage of a component – 6000 units
Set up cost per batch – Rs.20
Cost of production per unit – Rs.100
Carrying cost – 6% p.a. on inventory cost.
PART B
Answer ANY FIVE questions (5×8=40 marks)
- Define overheads. Distinguish between `allocation’, `apportionment’ and `absorption of overheads.
- What are the objectives of Cost Accounting? Explain any 4 differences between Cost Accounting and Financial Accounting.
- The financial records of AB Ltd reveal the following data for the year ended 31st March 2010:
Sales (50,000 units) Rs.10,00,000
Direct material Rs.5,00,000
Direct wages Rs.2,50,000
Factory expenses were Rs.1,50,000
Administration expenses Rs.1,45,000
Interest and dividend received Rs.15,000
Closing stock of finished goods was 5,000 units valued at Rs. 1,00,000
In cost accounts, factory expenses are charged at 70% of direct wages and administration expenses are charged at 20% of works cost. Ascertain the costing and financial profit and prepare a statement reconciling the two profits.
- From the following data, you are required to work out the earnings of a worker for a week under:
- a) Straight Piece Rate
- b) Taylors Differential Piece Rate
- c) Halsey Plan
- d) Rowan Plan
Weekly working hours – 48
Hourly wage rate – Rs.7.50
Piece rate – Rs.3 per piece
Normal time taken per piece – 20 minutes
Normal output per week – 120 pieces
Actual output for the week – 150 pieces
Differential piece rate – 80% of piece rate when output is below normal and 120% of piece rate when output is above normal.
- From the following data prepare Stores Ledger under FIFO method:
1st October opening stock 600 units at Rs.14 per unit
Receipts during the month:
3rd 300 units at Rs.15 per unit
7th 900 units at Rs.16 per unit
23rd 400 units at Rs.18 per unit
Issues during the month:
5th 500 units
8th 800 units
27th 500 units
On 31st October a shortage of 10 units were noticed.
- The information given below is taken from the cost records of the factory in respect of job no. 707.
Direct material Rs.6,060
Wages – Dept A 80 hours at Rs.4 per hour
Dept B 60 hours at Rs.3 per hour
Dept C 20 hours at Rs.5 per hour
Variable overheads are as follows:
Dept A Rs.7,500 for 5,000 hours
Dept B Rs.3,000 for 1,500 hours
Dept C Rs.2,000 for 500 hours
Fixed overheads of the factory are estimated at Rs.30,000 for 10,000 working hours.
Calculate the cost of the job 707 and the price to be quoted to give a profit of 20% on cost price.
- A contractor obtained a contract for Rs.8,00,000 on 1st Jan.2009. The expenses incurred during
the year ended 31st Dec.2009 were as under:
Rs.
Materials 2,20,000
Wages paid 2,00,000
Wages accrued 10,000
Other expenses 20,000
Plant costing Rs.40,000 having a life of 5 years was used on the contract for 73 days. Material costing Rs.3,000 were stolen from the site. Material at site on 31.12.2009 were valued at Rs.24,600. The contractor had received Rs.4,00,000 in cash upto 31.12.2009 representing 80% of the work certified. Work uncertified was estimated at Rs.14,000.
Prepare the contract account.
- X owns a truck, which cost Rs.1,20,000. The life of the truck is 2,00,00 kms and has a scrap value of
Rs.20,000 at the end of its life. The truck runs 5000 kms per month of which 20% is run empty. From
the following data, calculate the cost per km.
Manager’s salary – Rs.3000 p.m.
Driver’s salary – Rs.2500 p m
Cleaner’s salary – Rs.1500 p m
Garage rent – Rs.1000 p m
Insurance – 2% p a on the cost of the vehicle
Road tax – Rs.1200 p a
Repairs – Rs.1800 p m
The truck uses 1 litre of petrol for every 10 kms. Cost of petrol Rs.48 per litre.
PART – C
Answer ANY TWO questions (2×20=40 marks)
- R Ltd gives you the following information for the year 2009, during which 10,000 units were produced and sold.
Material Rs.90,000
Power Rs.12,000
Cost of rectifying defective work Rs.3,000
Direct wages Rs.60,000
Factory indirect wages Rs.20,500
Clerical salaries Rs.39,000
Selling expenses Rs.19,500
Plant repairs Rs.11,500
Sale proceeds of factory scrap Rs.2,000
The net selling price was Rs.31.60 per unit
Prepare a cost sheet and ascertain profit made in 2009.
From January 1, 2010 selling price is reduced to Rs.31 per unit. It is estimated that 15,000 units will be produced and sold. The rates for material and direct labour is expected to increase by 10%. Assuming factory overheads are recovered as a percentage of direct wages, and office and selling expenses as a percentage of works cost, prepare a cost sheet for the year 2010 showing the estimated cost and profit.
- 20000 units were introduced in a process at a cost of Rs.2 lakhs. Other expenses incurred were:
Material Rs.1,04,000; Labour Rs.1,71,000; Factory overheads Rs.68,400. Normal loss is expected to be 10% of input.
16,000 units were completed and transferred to the next process.
2500 units were scrapped when they were completely processed.
1500 units remained as closing work in progress, the degree of completion being:
Material 75%; Labour and overheads 40%.
Scrap was sold at Rs.11 per unit.
Prepare a statement showing the Process Account, Abnormal Loss Account, Equivalent production, Cost per equivalent unit and a Apportionment of cost.
- In a manufacturing concern there are 2 Production departments, A and B and 2 Service Depts. C and D. C renders service worth Rs.12000 to D and the balance to A and B in the ratio of 3:2. D renders service to A and B in the ratio of 9:1.
The overhead expenses incurred for the year are as follows:
Depreciation – Rs.95000
Rent – Rs.18000
Power – Rs.10000
Canteen expenses – Rs.5400
Sundry expenses – Rs.4500
The following further information are given regarding the departments:
A B C D
Direct material (Rs.) 6000 5000 3000 2000
Direct labour (Rs.) 20000 10000 10000 5000
Floor space (sq mt) 5000 4000 1000 2000
Value of machinery (in lakhs) 10 5 3 1
Horse power of machines 1000 500 400 100
No of workers 100 50 50 25
Department A recovers overheads at a rate per labour hour. The labour hours in department
A is Rs.8000.
Department B recovers overheads at a rate per machine hour. Machine hours in department
B are 5000.
Calculate the cost of a job which requires Rs.2000 in material, Rs.1500 in wages.
The labour hours for the job in Department A is 20 and the machine hours for the job in Department
B is 10.
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