Bob produces flower pots for sale, which he designs and manufactures using 3-d printing technology. Bob rents a building for $30,000 per month and rents machinery for $20,000 a month. Those are his fixed costs. His variable cost per month is given in the accompanying table. Quantity of flower pots vc 0 $0 1,000 5,000 2,000 8,000 3,000 9,000 4,000 14,000 5,000 20,000 6,000 33,000 7,000 49,000 8,000 72,000 9,000 99,000 10,000 150,000 a. Plot bob's marginal cost curve. Price, cost quantity (in thousands) 0 1 2 3 4 5 6 7 8 9 10 11 12