Matterhorn Mountain Gear is evaluating two projects with the following cash flows:

year	project x	project y
0	-319,400	-299,050
1	146,100	137,300
2	163,600	154,500
3	128,700	120,250

What interest rate will make the NPV for the projects equal?

a)14.22%

b)18.31%

c)12.64%

d).26%

e)18.05%