Suppose the supply of I-Pods is QS = 10P, while the demand is QD = 3,000 - 5P. Which of following the statements is true? a. If the market price of an I-Pod is $220, there will be a shortage of I-Pods. b. If the market price of an I-Pod is $220, there will be a surplus of I-Pods. c. If the market price of an I-Pod is $200, there will be a shortage of I-Pods. d. If the market price of an I-Pod is $200, there will be a surplus of I-Pods.