Use the following graph to answer the questions. 240 MC A10 200 Ave 160 Price (3) E 80 40 100 200 300 400 500 Output 0 40 0 100 200 300 400 500 Output How much will output be in the short run if the price is (a) $70? |:| (b) $120? U (c) $160? |:| O