The cost of a manufactured product generally consists of which of the following costs? a. direct labor cost and factory overhead cost only b. direct materials cost and direct labor cost only c. direct materials cost and factory overhead cost only d. direct labor cost, direct materials cost, and factory overhead cost

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