Please help

Plant sizes get larger as you move from ATC-1 to ATC-4. Output ATC-1 ATC-2 ATC-3 ATC-4 1, 500 $10 15 $20 $30 2, 000 8 12 17 25 2 , 500 9 10 15 20 3 , 000 12 8 13 18 3, 500 15 6 11 16 4, 000 18 10 9 14 4 , 500 20 12 7 12 5, 000 24 15 11 10 5 , 500 29 19 13 8 6, 000 35 25 15 9 Which plant size would produce at the least cost for the 1,500-2,500 range of output?Multiple Choice O ATC-3 O ATC-4 O ATC-2 O ATC-1