Chapter 18, Problem 1E

Following are five graphs representing various cost behaviors. (1) Identify whether the cost behavior in each graph is mixed, step-wise, fixed, variable, or curvilinear. (2) Identify the graph (by number) that includes the standard monthly charge plus a charge for each kilowatt hour; (d)

commissions to salespersons; and (e) costs of hourly paid workers that provide substantial gains in efficiency when a few workers are added but gradually smaller gains in efficiency when more workers are added.

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