A project that provides annual cash flows of $$20,000$ for nine years costs $$80,000$ today.

a$.$ Is this a good project if the required return is $8$ percent? $(10\%)$

b$.$ What if it's $25$ percent? $(10\%)$

c$.$ At what discount rate would you be indifferent between accepting the project and rejecting it$?($Hint: Apply the trial and error method to find an integer that brings the NPV as close to zero as possible.$)(10\%)$