The following are the cash flows of two projects: What is the payback period of each project? Note: Round your answers to 1 decimal place. A project that costs $5,350 to install will provide annual cash flows of $1,800 for each of the next 6 years. a. What is the NPV if the discount rate is 11% ? Note: Do not round intermediate calculations. Round your answer to 2 decimal places. b. How high can the discount rate be before you reject the project? Note: Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places