Excel Ltd. undertook a contract for Rs. 10,00,000 on 1 February 2009. On 31 January 2010, when the accounts were closed, the following details about the contract gathered:

Materials purchased

2,00,000

Wages paid

90,000

General expenses

20,000

Plant purchased

1,00,000

Materials on hand on 31 January 2010

50,000

Wages accrued on 31 January 2010

10,000

Work certified

4,00,000

Cash received

3,00,000

Work uncertified

30,000

Depreciation of plant

10,000

The above contract contained an escalation clause which reads as follows:

“In the event of prices of materials and rates of wages increase by more than 5%of the contract price, then the prices will be increased accordingly by 25%of the rise in the cost of materials and wages beyond 5%in each case”.

It was found that since the date of signing the agreement the prices of materials and wage rates increased by 25%. The value of work certified does not take into account the effect of the above clause. Now prepare the contract account.