can you describe detailed steps (all the keys to press) to calculate this in a ba -ii plus Texas instrument financial calculator? the answer will be 39.28 only I want to know which keys to press to get that answer as I have never used a financial calculator.

\begin{tabular}{|c|c|c|c|c|c|} \hline & N & INY & PV & PMT & FV \\ \hline Given: & 3 & & -8.21 & 5.12 & 0 \\ \hline Solve for: & & 39.28 & & & \\ \hline \multicolumn{6}{|c|}{,0)=} \\ \hline \end{tabular} The IRR is 39.28%