what is the minimum possible project duration?How much extra will it cost?

The client has requested to reduce the project duration by 5 days for which they will pay Rs 500 extra. Do you the this is an attractive deal for you?

The client informs that they have extra Rs 1500 which they can provide for crashing. What would you tell them about the number of days that would be crashed with this amount?

\begin{tabular}{|l|l|l|l|l|l|} \hline & & \multicolumn{2}{|c|}{ Time (days) } & \multicolumn{2}{l|}{ Cost (NPR) } \\ \hline Activity & Predecessors & Vormal & Crash & Normal & Crash \\ \hline A & & 6 & Not possible & 400 & 400 \\ \hline B & & 8 & 6 & 300 & 400 \\ \hline C & A & 8 & 7 & 500 & 575 \\ \hline D & B, C & 6 & 3 & 300 & 600 \\ \hline E & B, C & 10 & 8 & 300 & 420 \\ \hline F & A & 14 & 12 & 400 & 640 \\ \hline G & D & 12 & 9 & 600 & 870 \\ \hline H & E, F & 6 & Not possible & 500 & 500 \\ \hline I & G, H & 8 & Not possible & 700 & 700 \\ \hline \end{tabular}