Based on the info below, which constraint Matrix A has the dimensions 54 and Matrix B has the dimensions 51, What are the dimensions of the product AB? 

a. A Matrix of 4x4 b. multiplication is not possible c. A Matrix of 4x1 d. A Matrix of 5x5 e. A Matrix of 5x4s are binding? Max 4X + 5Y s.t. 1 X + 2 Y <= 10 labour in hours 6 X + 6 Y <= 36 material available in kg 8 X + 4 Y <= 40 storage available in sq m Solution Decision Variables X Y items Produced 2 4 Maximize Total Profit 28 Constraints Amount Used (LHS) Amount Available (RHS) labour in hours 10 <= 10 material avail in kg 36 <= 36 storage avail in sq m 32 <= 40 Sensitivity report Variable Cells Final Reduced Objective Allowable Allowable Cell Name Value Cost Coefficient Increase Decrease $B$18 items Produced X 2 0 4 1 1.5 $C$18 items Produced Y 4 0 5 3 1 Constraints Final Shadow Constraint Allowable Allowable Cell Name Value Price R.H. Side Increase Decrease $B$23 labour in hours Amount Used (LHS) 10 1 10 2 2 $B$24 material avail in kg Amount Used