Hanse, Inc., has the following two mutually exclusive projects available. Year Project R -$83,000 29,200 28,200 26,200 20,200 10,400 Projects -$102,400 25,600 25,600 40,600 35,600 14,600 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.)