Problem:
A logging company has one saw with which it makes plywood and pressure-treated wood. Each piece of plywood requires 20 minutes on the saw and uses 6 eight-foot logs. Each piece of pressure-treated wood requires 20 minutes on the saw and uses 1 eight-foot log. The saw is available 10 hours a day, and the logging company can obtain 200 eight-foot logs a day. The plywood sells for $50 each, and the pressure-treated wood sells for $10 each. Find the maximum solution.