Please help A-B

In 2022 , Leo construction will work on a residential project that lasts 4 months. The direct costs of the residential project are shown in the following bar chart. Assuming $5,000 indirect cost per month, and 11.4% markup. If the retainage is 9% throughout the project, finance charge is 1% per month, and payments will be billed at the end of the month and will be received one month later. How much is the last payment the contractor is expected to receive? \begin{tabular}{|l|l|l|l|l|l|l|} \hline End of Month & 0 & 1 & 2 & 3 & 4 & 5 \\ \hline Monthly Cost (Direct \& Indirect Cost) & & & & & & \\ \hline Monthly Billing & & & & & & \\ \hline Monthly Income & & & & & & \\ \hline Retainage & & & & & & \\ \hline Overdraft (before interest) & & & & & & \\ \hline Interest (1\%) & & & & & & \\ \hline Overdraft (deduct interest) & & & & & & \\ \hline Overdraft (add income) & & & & & & \\ \hline \end{tabular}