please show also all the steps to arrive at the result

Hanse, Inc., has the following two mutually exclusive projects available. Year ON Project R -$ 79,000 27,600 26,600 24,600 18,600 11,200 Projects -$99,200 24,800 24.800 39,800 34,800 13,800 3 4 5 a. What is the crossover rate for these two projects? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16. b. What is the NPV of each project at the crossover rate? (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) % a. Crossover rate b. NPV Project R NPV Projects