purchased a machine of Rs. 1000000 on 1/1/13, the service life of the machine is 10 years. The company calculate depreciation on straight line basis, which is = cost of the asset/no.of years

To calculate the annual depreciation expense using the straight-line method, divide the cost of the asset by the number of years of its service life.

In this case, you purchased a machine for Rs. 1,000,000 on 1/1/13, and the service life of the machine is 10 years.

To calculate the annual depreciation, use the formula:

Depreciation Expense = Cost of the Asset / Number of Years

Depreciation Expense = Rs. 1,000,000 / 10 years

Depreciation Expense = Rs. 100,000 per year

So, the annual depreciation expense of the machine is Rs. 100,000.