A project that costs $3,500 to install will provide annual cash flows of $1,050 for each of the next 6 years. a. What is NPV if the discount rate is 15%? (Do not round intermediate calculations. Round your answer to 2 decimal places.) NPV ces b. How high can the discount rate be before you would reject the project? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Discount rate %