Block Corporation makes three products that use the current constraint, which is a particular type of machine. Data concerning those products appear below: ZA JK DH Selling price per unit $ 326.17 $ 543.43 $ 506.00 Variable cost per unit $ 252.02 $ 420.83 $ 397.68 Time on the constraint (minutes) 3.70 7.70 8.00 Required: a. Rank the products in order of their current profitability from the most profitable to the least profitable. In other words, rank the products in the order in which they should be emphasized. (Round your intermediate calculations to 2 decimal places.) Ranking ZA JK DH b. Assume that sufficient constraint time is available to satisfy demand for all but the least profitable product. Up to how much should the company be willing to pay to acquire more of the constrained resource? (Round your intermediate calculations and final answer to 2 decimal places. Omit the "$" sign in your response.) Maximum amount $