Rodriguez quits his job as an airline pilot and opens his own pilot training school. He was earning $40,000 as a pilot.He uses a building he owns as a hanger and could rent it out for $5,000 per year. Hebuys office supplies for $500, rents an airplane for $6,000, pays $1,300 for fuel and maintenance, and hires one worker for $30,000. Rodriguez'stotal revenue from pilot training classes this year equaled $90,400. Rodriguez'seconomic profitthis year would be