Leisure Times, Inc., employs skilled workers and capital to install hot tubs. The capital includes the tools and equipment workers use to construct and install the tubs. The installation services are sold in a competitive market for $1,200 per hot tub. Leisure Times is able to hire workers for $2,200 per month, including the cost of wages, fringe benefits, and employment taxes. As additional workers are hired, the increase in the number of hot tubs installed is indicated in the table.

NUMBER OF NUMBER OF HOT WORKERS EMPLOYED TUBS INSTALLED (PER MONTH) 5 12 18 23 27 30 32 33 34