clearly show each steps

i= 10%

using present worth analysis, which of the following will you select?

\begin{tabular}{|l|c|r|r|r|} \hline Project & A & \multicolumn{1}{|c|}{ B } & \multicolumn{1}{|c|}{ C } & \multicolumn{1}{|c|}{ D } \\ \hline \begin{tabular}{l} Initial \\ Investment \end{tabular} & $66,000.00 & $39,000.00 & $55,000.00 & $35,000.00 \\ \hline \begin{tabular}{l} operating Cost \\ per year \end{tabular} & $7,000.00 & $6,000.00 & $9,000.00 & $25,500.00 \\ \hline \begin{tabular}{l} Revenue per \\ year \end{tabular} & $29,000.00 & $16,000.00 & $25,000.00 & $29,000.00 \\ \hline Salvage value & $6,500.00 & $5,100.00 & $8,000.00 & $0.00 \\ \hline Life (years) & 4 & 7 & 5 & \\ \hline \end{tabular}