Suppose that Par. Inc.. management encounters the following situations:

a. The accounting department revises its estimate of the profit contribution for the deluxe bag to $18 per bag.

b. A new low-cost material is available for the standard bag, and the profit contribution per standard bag can be increased to $20 per bag. (Assume that the profit contribution of the deluxe bag is the original $9 value.)

c. New sewing equipment is available that would increase the sewing operation capacity to 750 hours. (Assume that 10A + 98 is the appropriate objective function.)

If each of these situations is encountered separately, what is the optimal solution and the total profit contribution?