Kindly answer the question in Yellow boxes. What values to enter?

\begin{tabular}{lr} Data & \\ Purchase Cost of poster & $3 \\ Selling Price of Poster & $10 \\ Salvage value of unsold poster & $1 \\ Number of potential customers & 30 \\ \hline \end{tabular} \begin{tabular}{l} ROUHD 2 \\ \hline \hline 1 \\ \hline 12 \\ 1 \\ 0 \\ 8.33% \\ $10 \\ $0 \\ \hline$10 \\ \hline \\ \hline$3 \\ \hline \end{tabular}