an avocado orchard employs five full-time workers. currently, the average product of labor is 120 pounds of avocados per day. the orchard hires a 6th full-time worker and his marginal product is 150 pounds of avocados. the average product of the six workers will now be a. more than 120 pounds. b. less than 120 pounds. c. equal to 120 pounds. d. greater than the marginal product of labor.