An investment of $185,575 is expected to generate returns of $65,000 per year for each of the next 4- years. What is the investments internal rate of return?

Below is a table for the present value of $1 at compound interest.

Year		6%		10%		12%		15%
1		0.943		0.909		0.893		0.870
2		0.890		0.826		0.797		0.756
3		0.840		0.751		0.712		0.658
4		0.792		0.683		0.636		0.572
5		0.747		0.621		0.567		0.497

Below is a table for the present value of an annuity of $1 at compound interest.

Year		6%		10%		12%		15%
1		0.943		0.909		0.893		0.870
2		1.833		1.736		1.690		1.626
3		2.673		2.487		2.402		2.283
4		3.465		3.170		3.037		2.855
5		4.212		3.791		3.605		3.353

-----%?