A Company Produces Two End-Items: Products a and B $\quad$

A company produces two end-items: products A and B. They are concerned about the loading on their Finish Shop and are trying to develop a rough?cut capacity plan. To finish product A two hours are required and for product B one hour. Total hours available in the Finish Shop are 100. They have the following weekly production information:
$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\text { Week }$$\begin{array}{|c|r|r|r|r|r|r|}\hline \text { End Item } & 1 & 2 & 3 & 4 & 5 & 6 \\\hline \mathrm{A} & 40 & 0 & 40 & 0 & 40 & 0 \\\hline \mathrm{B} & 0 & 30 & 0 & 0 & 30 & 30 \\\hline\end{array}$
a. What is the total hourly load on the Finish Shop in week 3?
b. In what week is the Finish Shop overloaded?