Find the internal rate of return $($IRR$)$ for the following cash flows. Enter your answer as a percent and include at least two decimal points, e$.$g$.,8\mathrm{.}35$ for $8\mathrm{.}35\%,$ not $0\mathrm{.}08.$

Year Cash Flow

$0-750$

$1200$

$2375$

$3250$

$4100$

$575$