The table below contains average cost data for four different-sized plants-1, 2, 3, and 4which are the only four sizes possible. Output 60 110 Plant 1 $85 75 Plant 3 $130 110 160 85 85 210 100 65 260 130 90 310 160 115 360 195 145 Plant 2 $105 90 70 90 110 130 155 Plant 4 $150 130 100 90 60 100 130 a. What is the economic capacity output for each of the four plants? Plant 1: Plant 2: Plant 3: Plant 4: b. In what plant and at what output is minimum efficient scale achieved? Output of in (Click to select) c. Which plant is the right size to produce an output of 160? (Click to select) d. Which plant is the right size to produce an output of 60? (Click to select)