solve a to d please!!!

(IRR calculation) Determine the IRR on the following projects: a. An initial outlay of $12,000 resulting in a single free cash flow of $16,752 after 9 years b. An initial outlay of $12,000 resulting in a single free cash flow of $53,335 after 10 years c. An initial outlay of $12,000 resulting in a single free cash flow of $112,884 after 25 years d. An initial outlay of $12,000 resulting in a single free cash flow of $14,484 after 3 years a. What is the IRR of a project with an initial outlay of $12,000 resulting in a single free cash flow of $16,752 after 9 years? % (Round to two decimal places.)