A project that costs $4,750 to install will provide annual cash flows of $1,600 for each of the next 6 years. a. What is NPV if the discount rate is 13967 (Do not rou nd intermediate calculations. Round your answer to 2 decimal places.) b. How high can the discount rate be before you would reject the project? (Do not round intermediate calculations. Enter your answer as o percent rounded to 2 decimal places rate