Romboski, LLC, has identified the following two mutually exclusive projects:

Year Cash Flow (A) Cash Flow (B)
0 $ 57,000 $ 57,000
1 33,000 20,300
2 27,000 24,300
3 19,500 29,000
4 13,400 25,300

a. Over what range of discount rates would you choose Project A? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e. g., 32.16.)
b. Over what range of discount rates would you choose Project B? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e. g., 32.16.)
c. At what discount rate would you be indifferent between these two projects? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e. g., 32.16.)