can someone please help me with these problems

Consider the following two projects: \begin{tabular}{|l|c|c|c|c|c|c|} \hline \multicolumn{1}{|c|}{ Project } & Year 0 & Year 1 & Year 2 & Year 3 & Year 4 & Discount \\ & Cash Flow & Cash Flow & Cash Flow & Cash Flow & Cash Flow & Rate \\ \hline A & 100 & 40 & 50 & 60 & N/A & 0.11 \\ \hline B & 73 & 30 & 30 & 30 & 30 & 0.11 \\ \hline \end{tabular} Assume that projects A and B are mutually exclusive. The correct investment decision and the best rationale for that decision is to