Eric's cafe is a price taker in the market for sandwiches. Eric's total costs are given by the function, Q'Eric 50 The market price of a sandwich is $10. Use the information provided to answer the following questions: TC(QEric) = i. Eric's fixed costs are [Select] a. FC= 10. b. FC = 10QEric- c. FC = 50. d. FC= 500. + 500. ii. Eric's marginal cost is given by the function [Select] QEric 25 QEric a. MC= b. MC= 50 QEric 500 + 50 QEric c. MC= d. MC= 10QEric. iii. Eric's profit maximising quantity is [Select]