as the required rate of return changes from 12% to 14.22% which of the following statements are true? the cash flow is normal

1. NPV increased

2 wealth of investor decreases

3 PI decreases

4 discounted payback period decreases

5 IRR decreases

a 2,3,5

b 1,4

c 1,3,4

d 1,2,3,4,5

e 2,3