Hello I need some help on finding the crossover rate and the interest rate. Thank-you for your assistance and help in advance.

Question 3 Handy Enterprises has gathered projected cash flows for two projects. Year 0 1 2 3 4 Project I -$258,000 114,200 104,600 88,600 77,600 Project J -$258,000 89,800 99,800 101,800 108,800 Requirement 1: At what interest rate would the company be indifferent between the two projects? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g.,32.16).) Interest rate 16.72 % Question 5 Seether, Inc., has the following two mutually exclusive projects available. Year 0 1 2 3 4 5 Project R -$ 76,500 26,600 25,600 23,600 17,600 11,700 Project S -$ 97,200 24,300 24,300 39,300 34,300 13,300 Requirement 1: What is the crossover rate for these two projects? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).) Internal rate of return n/r % Requirement 2: What is the NPV of each project at the crossover rate? (Do not round intermediate calculations. Round your answers to 2 decimal places (e.g., 32.16).) NPV Project R Project S $ n/r $ n/r