Summary

Break-even analysis is a method for choosing between two or more alternatives by figuring out which points, if any, would be indifferent between those alternatives. This chapter covered the following major points:

  • A decision variable represents a set of possible values for some choice in a given decision analysis.

  • An objective function is an equation that relates the values of the decision variable(s) to the performance of an alternative.

  • An objective function that relates values of decision variables to income (e.g., income as a function of units sold) is called an income function, whereas a function that relates values to cost is called a cost function.

  • To solve a break-even problem for two alternatives, set their objective functions equal ...

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