Question 12 (4 points) Output and input data of a manufacturer for a period are shown below. Calculate the multifactor productivity for energy and materials together (units/$). [Select the appropriate range in which your answer falls.] Output 12,000 units Input Labor: $7,500 Energy: $500 Materials: $3,250 Equipment: $4,600 More than 0 but less than or equal to 1.25 More than 1.25 but less than or equal to 2.50 More than 2.50 but less than or equal to 3.75 More than 3.75 but less than or equal to 5.00 More than 5.00 Question 13 (4 points) You have two options: Buy - where, price is p dollars per unit