(a) Calculate the cost of the motors, including shipping charges, for each category (in \$). % (c) What percent would be saved per motor by ordering 1,200 every three months? Round to the nearest tenth of a percent. \% (d) How much money (in \$) can be saved in a year by purchasing the motors every three months instead of every month? $ X (e) What other factors besides price should be considered before changing your purchasing procedures? How often do you completely go through the inventory? Are there different types of motors? Are you in an environment where this amount of inventory is necessary? Do you have the funds to purchase