IRR calculation)

Determine the IRR on the following projects:

a. An initial outlay of $10000 resulting in a single free cash flow of $17365 after 9 years

b. An initial outlay of $10000 resulting in a single free cash flow of $49088 after 12 years

c. An initial outlay of $10000 resulting in a single free cash flow of $106657 after 19 years

d. An initial outlay of $10000 resulting in a single free cash flow of $14476 after 2 years