Accounting Rate of Return (ARR):
This technique relies on the rate of return every project will earn over its life. It takes the help of accounting profit while calculating the returns. There are 2 methods of calculating ARR.
(i) On the basis of original investment,
This technique of calculation was rejected on the ground that the original outlay is gradually recovered over the project life because of depreciation charge.
When depreciation is to be taken on a straight-line basis and no salvage value is understood, the average investment is always equal to one-half of the original in- vestment, and the resulting rate of return is always two times the rate determined on the basis of original investment.