The main difference between agent wholesalers and merchant wholesalers is: A. the kind of selling they do. B. that agent wholesalers do not own the products they sell-while merchant wholesalers do. C. that no agent wholesalers physically handle products-while all merchant wholesalers do. D. their attitudes regarding the marketing concept. E. There is no difference-an agent wholesaler IS a merchant wholesaler.

Plastic and steel are substitutes in the production of body panels for certain automobiles. if the price of plastic increases, with other things remaining the same, we would expect: a) the demand curve for plastic to shift to the left. b) the price of steel to fall. c) the demand curve for steel to shift to the left d) nothing to happen to steel because it is only a substitute for plastic. e) the demand curve for steel to shift to the right