Products Uno, Dos, Tres, and Quatro Have Contribution Margins of $2

Multiple Choice

Products Uno, Dos, Tres, and Quatro have contribution margins of $2, $3, $4, and $5, respectively, and require 1.5, 2, 2.5, and 3 machine hours per unit, respectively. Assuming that all units produced could be sold and that total machine hours per month are limited, on which product should the company concentrate its efforts?

A) Dos
B) Quatro
C) Uno
D) Tres