How does the fact that consumers apparently value fairness affect the decisions that businesses make? A. Firms will not raise prices in response to an increase in demand. O B. Firms will set prices equal to the long-run average cost of production. O C. Firms will not raise prices in response to an increase in costs. O D. Firms are not affected by consumers' value of fairness. O E. Firms will raise prices in response to an increase in demand