A Custom Molder Produces 6-Ounce Juice Glasses and 10-Ounce Cocktail

Multiple Choice

A custom molder produces 6-ounce juice glasses and 10-ounce cocktail glasses. The per unit contribution for the juice glasses (x₁) is equal to 60 - 5x₁, and the per unit contribution for the cocktail glasses (x₂) is 80 - 4x₂. An expression for the total contribution is:

A) 20 - 4x₂ - 5 x₁
B) 60 x₁ - 5x1² + 80x₂ - 4x2²
C) 80x₁ - 5x₁²2 - 4x2²
D) 20 - (4x₂) (5x₁)