CENGAGE | MINDTAP Homework: The Case For Free Markets: The Price System Note: Once you enter a value in a white field, the graph and any corresponding amounts in each grey field will change accordingly. Graph Input Tool (?) Quantity 1 PRICE (Dollars per pair of socks) Supply Marginal Utility ( Dollars per pair of 9 Marginal Cost (Dollars per pair of 1 socks) socks) N W Demand 0 1 2 3 5 8 9 10 QUANTITY (Pairs of socks per day) If the economy produces and sells four pairs of socks ( represented by the green line on the graph), the marginal utility (MU) of the last pair of socks bought is _ , and the marginal cost (MC) of the last pair of socks sold is _. This means that the MU of the last pair of socks bought is the MC of the last pair of socks sold, so the market is