28. The setup cost incurred in preparing a machine to produce a batch of product is an example of a a fixed charge b. random charge. c. sunk cost. d. variable cost 24. company is developing its weekly production plan. The company produces two products, A and B. which are processed in two departments Setting up each batch of A requires $60 of labor while setting up a batch of B costs $80. Each unit of A generates a profit of $17 while a unit of Beams a profit of $21. The company can sell all the units it produces. The data for the problem are summarized below. Hours required by Operation A B Cutting 3 4 Welding 2 1 The decision variables are defined as Hours 48 36 X; - the amount of product i produced Y-1 if Xi >0 and 0 if X;=0 Which of the following constraints creates the link between setting up to produce A's and making some A's for this problem? a. X, S 16Y b. X-Y1=0 c. X - 18Y1 > 0 d. if(X, > 0, Y1 - 1, Y1 - 0) 30. Decision analysis supports all but one of the following goals. Which goal is not supported? a. Help make good decisions. b. Ensure selection of good outcomes. c. Analyze decision problems logically, d. Incorporate problem uncertainty 31. The correspond to future events that are not under the control of the decision maker. a. payoffs b, states of nature c. criteria d. Alternatives 6