Crenshaw Enterprises has gathered projected cash flows for two projects.

Year	Project I	Project J
0	$189,000	$189,000
1	93,500	73,600
2	84,600	72,800
3	63,200	76,800
4	57,800	84,000

a.	At what interest rate would the company be indifferent between the two projects? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)
b.	Which project is better if the required return is above this interest rate?