A project that will provde annual cash flows of $2,550 for nine years costs $10,500 today. a. At a required return of 11 percent, what is the NPV of the project? (Do not round intermediate calculations and round your answer to 2 decimal places, e. g., 32.16.) b. At a required return of 27 percent, what is the NPV of the project? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e. g., 32.16.) c. At what discount rate would you be indifferent between accepting the project and rejecting it? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e. g., 32.16.)