$($IRR calculation$)$ Determine the IRR on the following projects:

a$.$ An initial outlay of $$9,000$ resulting in a single free cash flow of $$17,324$ after $6$ years

b$.$ An initial outlay of $$9,000$ resulting in a single free cash flow of $$54,115$ after $15$ years

c$.$ An initial outlay of $$9,000$ resulting in a single free cash flow of $$111,839$ after $18$ years

d$.$ An initial outlay of $$9,000$ resulting in a single free cash flow of $$13,742$ after $2$ years

a$.$ What is the IRR of a project with an initial outlay of $$9,000$ resulting in a single free cash flow of $$17,324$ after $6$ years?t

$\%($Round to two decimal places.$)$