It should be clear that the decisions to be made are the production rates (number of units produced per week) for the two products. Let's use the following notation: w: The number of roof windows to be produced per week s: The number of skylights to be produced per week The objective is to maximize the profit. How would you express the profit as a function of the decision variables, w and s? Group of answer choices 500*w 300*s 300*w 500*s 500*(w s) 300*(w s)