Determine the IRR of the following:

A) An initial investment of $10,750 resulting in a free cash flow of $3,500 at the end of year 1, $2,000 at the end of year 2, and $7,000 at the end of year 3.

B) An initial investment of $5,000 resulting in a SINGLE free cash flow of $38,077 after 10 years.