A company is developing its weekly production plan. The company produces two products, A and B, which are processed in two departments. Setting up each batch of A requires $80 of labor while setting up a batch of B costs $60. Each unit of A generates a profit of $21 while a unit of B earns a profit of $17. The company can sell all the units it produces. The data for the problem are summarized below:

Hours required by

Operation A B Hours Cutting 3 4 48 Welding 2 36 The decision variables are defined as Xi = the amount of product i produced Yi = 1 if Xi > 0 and 0 if Xi = 0 What is the objective function for this problem? A MIN: 21 X1 + 17 X2 B MIN: 21 X1 + 17 X2 - 80 Y1 - 60 Y2 MAX: 21 X1 + 17 X2 - 80 Y1 - 60 Y2 D MAX: 80 Y1 + 60 Y2