Jody's bakery makes cakes and would be willing to sell each cake for $12.50. If Jody's bakery sells 10 cakes for $13 each, the total producer surplus for Jody's bakery would be equal to a. $5.00 b. $12.50 c. $125.00 d. $130.00 Assume that the supply of smartphones remains constant, but the price cc smartphones increases. Producer surplus a. will decrease b. will increase c. will remain constant d. may increase or decrease depending on the amount of price increase