From the following prepare contract account for three years 1984, 1985 and 1986.

1984
Rs

1985
Rs

1986
Rs

Materials issued

1,10,000

1,20,000

80,000

Other charges

10,000

8,000

20,000

Wages

2,20,000

60,000

2,00,000

Machinery issued

50,000

Value of machinery at the end of the year

45,000

40,000

36,000

Materials returned

1,000

500

Materials at site

3,000

4,000

2,000

Work uncertified

2,000

6,000

Work certified

4,00,000

10,00,000

12,00,000

The contract price was Rs 12,00,000. Cash received was 80% of work certified.