XYZ restaurant is very famous for its Bun Kababs and Paratha Rolls. To keep this restaurant running they must sell at least 20 Bun Kababs but cannot make more than 80. Minimum sales of 60 Paratha Rolls is also required for this purpose, but no more than 130 of these can be made. They cannot make more than 180 of these two items altogether. The profit on a Bun Kabab is Rs. 36 and Rs. 28 on a Paratha Roll. How many of each item the XYZ restaurant should sell to maximize the profit?

1. Use excel solver to solve this problem

b. Use corner point method to solve this problem