What are the differences (Atleast 3) between accounting rate of return and internal rate of return methods?
1.
ARR uses accounting profits while IRR uses cash flows.
2.
IRR uses discounted cash flow approach, i.e., takes the time value
of money into account but ARR does not take the time value of money
into account
3.
ARR is average annual income from project divided by avergae
initial investment. IRR is the rate at which present value of
dollars invested in a particular project would equal present value
of cash inflows from project.
4.
the decision criterion for IRR is based on the cost of capital, the
decision criterion for ARR is set by the management.
5.
IRR doesn't have specific formula, but is established through
trial-and-error approach. But ARR is calculated by dividing average
annual profit by average net book value of investment.
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