Leila is a graduate student pursuing a course in business. Presented with the case of Uber's unethical behavior, Leila wonders if Uber's board of directors should ask the CEO of Uber, Travis Kalanick, to step down. Having a strong belief in Michael Porter's idea of value creation, Leila is most likely to conclude that

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