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Analyze and answer the following. 1. While studying for the engineering economy final exam, you and two friends find yourselves craving a fresh pizza. You can't spare the time to pick up the pizza and must have it delivered. "Pick-Up-Sticks" offers a 1-1/4-inch-thick (including toppings), 20-inch square pizza with your choice of two toppings for Php650 plus 15% sales tax and a Php50 delivery charge (no sales tax on delivery charge). "Fred's" offers the round, deep-dish Sasquatch, which is 20 inches in diameter. It is 1-3/4 inches thick, includes two toppings, and costs Php750 plus 5% sales tax and free delivery. a. What is the problem in this situation? Please state it in an explicit and precise manner. b. Systematically apply the seven principles of engineering economy to the problem you have defined. c. Assuming that your common unit of measure is pesos (i.e., cost), what is the better value for getting a pizza based on the criterion of minimizing cost per unit volume. d. What other criteria might be used to select which pizza to purchase