(IRR calculation) Determine to the nearest percent the IRR on the following projects:

(round to two decimal places)

a. An initial outlay of $13000 resulting in a free cash flow of $2000 at the end of year 1, $5000 at the end of year 2, and $ 8500 at the end of year 3

b. An initial outlay of $13000 resulting in a free cash flow of $8 comma 500 at the end of year 1, $5 comma 000 at the end of year 2, and $ 2000 at the end of year 3

c. An initial outlay of $13000 resulting in a free cash flow of $2000 at the end of years 1 through 5 and $5000 at the end of year 6