Problem 2) (14 points) A manager has just received a revised price schedule for its main product from a vendor as seen in the table below. What order quantity should the manager use to minimize total costs? Annual demand is 12,000 units, ordering cost is $180, and annual carrying cost is $3 per unit (regardless of the price per unit). Problem 3) (12 points) a) Compute the multifactor productivity measure (output in sales dollars) for each week using the data provided below to produce chocolate bars. Assume 40-hour weeks and an hourly wage of $18. Overhead is 1.25 times the total weekly labor cost. Material cost is $48 per pound. Standard price to sell is $150 per unit. (10 points) b) What do the productivity figures suggest? (What is the trend?) (2 point)