5.10. ABC Machining has 2 major machines managed by 2 operators working in 2 shifts. Each operator works 8 hours a day, 5 days a week. They do not take breaks during the day, but they do allow themselves 30 minutes for lunch or dinner. In addition, they service the machines for about 30 minutes at the beginning of each shift. Since the machines are new, their efficiency is estimated at 90%. Calculate the capacity.