Whichever project you choose, if any, you require a return of $15$ percent on your investment.

$1.$

a$.$What is the payback period for each project?

Project A $\_$ years

Project B $\_$ years

b$.$if you apply the payback criterion, which investment will you choose?

Project A

or

Project B

c$.$What is the discounted payback period for each project?

Project A $\_$ years

Project B $\_$ years

d$.$If you apply the discounted payback criterion, which investment will you choose?

Project A

or

Project B