Eric's cafe is a price taker in the market for sandwiches. Eric's total costs are given by the function, TC(QEric)=0.5QEric2+10QEric+100 The market price of a sandwich is $15. Use the information provided to answer the following questions: i. Eric's fixed costs are a. FC=0.5QEric+110. b. FC=100. c. FC=10. d. FC=1/2. ii. Eric's marginal cost is given by the function a. MC=QEric+10. b. MC=0.5QEric+10. c. MC=0.5QEric+110. d. MC=0.5QEric+10+QEric100. iii. Eric's profit maximising quantity is Eric is a price-taker in the market for coffee. The market price for a cup of coffee is $3.3 per cup. What is Eric's marginal revenue