Suppose that an economic consultant for X Corp. recently provided the firm's marketing manager with this estimate of the demand function for the firm's product: Question: How many of good X will consumers purchase when per unit, per unit, and? Are goods X and Y substitutes or complements? Is good X a normal or an inferior good? Linear Supply Function in Action Your research department estimates that the supply function for televisions sets is given by: Question: How many televisions are produced when, per unit, and ?