Please answer Problems $5$a$-$c: Calculating NPV and IRR. A project that provides annual cash flows of $ $1,710$ for

$10$ years costs $ $7,560$ today.

$5$a$.$ The NPV is $$\_\_\_\_\_\_\_\_\_\_$if the required rate of return is $10\%.$

$5$b$.$ The NPV is $$\_\_\_\_\_\_\_\_\_\_$if the required rate of return is $24\%.$

$5$c$.$ At what discount rate would you be indifferent between accepting the project and rejecting it$?$

I would be indifferent at $\_\_\_\_\_\%.$