9. Salalah Lazada market has the following cost Schedules: Quantity Variable Total Average Average Marginal Cost Variable Cost Total Cost Cost Cost 0 $0 $30 1 10 40 2 25 55 3 45 75 4 70 100 5 100 130 6 135 165 a. Fill in the blanks for the table given below by calculating the average variable cost, average total cost, and marginal cost for each quantity. (6 marks) b. Graph all three curves. (2 marks)