A Help Center? Question 12 4 pts Suppose the value of price elasticity of demand for goods manufactured by firms A, B, C, and D are 0, -0.8, -1, and -1.5 respectively. The demand for the good will be clastic for: only firm A. O firms C and D only. only firm D. O firms B, C, and D. O firms A, B, C, and D. D Question 13 4 pts The income elasticity of demand is usually zero because "you can only have so much" could be positive, negative or zero, depending on the nature of the good can never be zero must be positive for all goods because consumers tend to buy more at higher incomes must be negative because of the law of diminishing marginal utility Quaction MacBook Air