$2\mathrm{.}3.$ R

econsider the Wyndor Glass Co$.$ case study introduced in Section $2\mathrm{.}1.$ Suppose that Bill Tasto $($Wyndor$\text{'}$s vice president for manufacturing$)$ now has found a way to provide a little

$$ additional production time in Plant $2$ to the new products.

a$.$ Use the graphical method to find the new optimal solution and the resulting total profit if one additional hour per week is provided.