Suppose you make tables and chairs out of iron and wood. each table requires 1 lb of iron and each chair requires 2 lbs of iron. each table requires 20 lbs of wood, and each chair requires 15 lbs of wood. you have access to 50 lbs of iron and 500 lbs of wood each day. you make $80 profit on every table you produce and $50 profit on every chair you produce. how many tables and how many chairs should you produce each day to maximize profit