The Payback Period and the Accounting Rate of Return Are

The payback period and the accounting rate of return are two methods of evaluating capital budgeting decisions.Like other approaches, these two methods have advantages and disadvantages.
Required:
a.What is an advantage of these two methods?
b.List two disadvantages of the payback period and explain how to calculate the payback period.
c.List two advantages and two disadvantages of the accounting rate of return and explain how to calculate the return.