A Firm Produces Shaving Cream and Razor

Multiple Choice

A firm produces shaving cream and razor.The profit contribution of shaving cream is $2 per unit and that of razor is $4 per unit.The firm wishes to maximize total profit under certain constraints.What would be the slope (-razor/shaving cream,where represents the change in the variables) of the firm's objective function?

A) -4
B) -2
C) 0.5
D) -0.5
E) 0