Sam produces 20 widgets. His total fixed cost (FC) of production is $400. Total variable cost (VC) is $100. The total cost (TC) of producing 20 widgets is: Question 8 03: Fall 2021 Answer saved Points out of Select one: 5.00 O a. $300 P Flag question O b. $500 c. $400 Clear my choice Question 9 According to the Kaiser Family Foundation, Medicaid provided healthcare for Answer saved approximately % of U.S. residents in 2018 Points out of 5.00 Select one: Flag a. 10% question O b. 20% c. 15% d. 49% e. none of the above Clear my choice Question 10 Answer saved Points out of output 5.00 When a firm experiences increasing marginal returns, the marginal cost returns, the marginal cost of output P Flag . When a firm experiences diminishing Select one