A Local Bagel Shop Produces Two Products: Bagels (B)and Croissants

Multiple Choice

A local bagel shop produces two products: bagels (B) and croissants (C) . Each bagel requires 6 ounces of flour, 1 gram of yeast, and 2 tablespoons of sugar. A croissant requires 3 ounces of flour, 1 gram of yeast, and 4 tablespoons of sugar. The company has 6,600 ounces of flour, 1,400 grams of yeast, and 4,800 tablespoons of sugar available for today's production run. Bagel profits are 20 cents each, and croissant profits are 30 cents each.
For the production combination of 600 bagels and 800 croissants, which resource is slack (not fully used) ?

A) flour (only)
B) sugar (only)
C) flour and yeast
D) flour and sugar
E) yeast and sugar