You are given these cash flows for an investment project: -$100 1: +$30 2: +$40 3: +$40 4: +$60 5: +$50 6: +$10 The payback period for this project...

You are given these cash flows for an investment project:

0: -$100

1: +$30

2: +$40

3: +$40

4: +$60

5: +$50

6: +$10

The payback period for this project is _____.

a)between 4 and 5 years

b)between 5 and 6 years

c)between 2 and 3 years

d)between 3 and 4 years