The constraint at Vrana Inc. is an expensive milling machine. The three products listed below use this constrained resource. JH KW DF $ 392.60 $ 314.45 Selling Price Per Unit $ 422.70 Variable Cost Per Unit $ 310.85 $ 248.39 $ 314.40 4.60 3.20 8.50 Time on the Milling Machine Monthly Demand - Units 9,600 11,400 8,400 Prepare a schedule to determine the rank of each of the products, then answer the following questions by selecting the correct answer from the drop-down box. What is the contribution margin per unit for JH? A. $12.74 What is the contribution margin per unit for KW? B. 2,534 What is the contribution margin per unit for DF? C. $81.75 D. $17.77 What is the contribution margin per unit of the constrained resource E. $66.06 for JH? F $108.30 What is the contribution margin per unit of the constrained resource for KW? G. $756.00 What is the contribution margin per unit of constrained resource for H. $20.64 DF? I. #1 - KW; #2 - JH; #3 - DF How many hours of machine time is necessary to satisfy the demand for all products? If there is sufficient time available to satisfy demand for all but the least profitable product, what is the maximum the copmany will pay to acquire one more hour of the constrained resource? What is the rank of the products, in order of their current profitability