Spenser's Superior Stoves advertises a one-day sale on electronic stoves. The ad specifies that the discount is only available to senior citizens aged over 65. Why does the firm include this restriction? Part 2 Spenser's Superior Stoves uses this restriction Part 3 A. to prevent resale between consumers. B. to practice perfect price discrimination. C. to practice nonlinear price discrimination. D. to increase market power. E. to practice group price discrimination