USP manufactures three types of fireworks: Aerials, Grounders, and Poppers. The following shows the per-unit information regarding the production and sale of these fireworks: Pounds of Powder Contribution Margin per Unit Market Demand Aerials 2 lbs. $30 Grounders 0.75 lbs. Poppers 0.25 lbs. $4 20 Units 1) Which product gives USP the highest contribution margin per pound of powder? 2) Suppose USP only has 50 pounds of powder left. How many units of Aerials, Grounders, and Poppers should USP produce to maximize profit?