Question 20 1 pts (Table: Demand and Total Cost for Asgard) Use Table: Demand and Total Cost for Asgard. Valkyrie runs a natural monopoly that produces electricity for a small mountain village near Asgard. The table shows the demand facing Valkyrie and Valkyrie's total costs. The marginal revenue of the second unit of output is: Table: Demand and Total Cost for Asgard Quantity (megawatts) Price per Total Cost Megawatt $550 $1,000 500 1,075 3 450 1,200 4 400 1,375 5 350 1,600 6 300 1,875 7 250 2,200 8 200 2,575 O $500. O $200. O $450. O $250