1. Consider an investment which has the following cash flows:

A

B

C

Investment (I)

$30,000

$20,000

$50,000

Useful life

10

4

20

Annual cash savings

$ 6,207

$ 7,725

$ 9,341

Rank the projects according to their attractiveness using the following:

(a) Payback period

(b) IRR

(c) NPV at 14 percent cost of capital