4. The production technology of a firm is given in the table below. L is the number of laborers hired per day. The quantity (Q) is the total product, or the total number of units of output produced per day by the firm. Q MPL APL MRPL TWC MWC (or ME) 1 48 2 84 108 4 128 143 155 7 165 a. Calculate the marginal product of labor and the average product of labor for this firm. You may use the columns but make sure to label them appropriately. b. Suppose each unit of the product sells for $10 each. If each worker is paid S140 per day, how many workers would you suggest the firm hire? How many units of output would the firm want to sell per day? Assume you want to maximize profits. Explain. Show all necessary work. You may add relevant columns to your table. N3