The graph below shows demand curve and cost data for a firm operating as a monopolist. The green line shows average total costs (ATC), and the black line shows marginal cost (MC).
Graphing window shows horizontal axis: 0 to 30, vertical axis: 0 to 30. Start Graph, Color red
x
y
0
30
1
29.5
2
29
3
28.5
4
28
5
27.5
6
27
7
26.5
8
26
9
25.5
10
25
11
24.5
12
24
13
23.5
14
23
15
22.5
16
22
17
21.5
18
21
19
20.5
20
20
21
19.5
22
19
23
18.5
24
18
25
17.5
26
17
27
16.5
28
16
29
15.5
30
15
Start Graph, Color blue
x
y
0
30
1
29
2
28
3
27
4
26
5
25
6
24
7
23
8
22
9
21
10
20
11
19
12
18
13
17
14
16
15
15
16
14
17
13
18
12
19
11
20
10
21
9
22
8
23
7
24
6
25
5
26
4
27
3
28
2
29
1
30
0
Start Graph, Color black
x
y
0
0
1
0.6
2
1.2
3
1.8
4
2.4
5
3
6
3.6
7
4.2
8
4.8
9
5.4
10
6
11
6.6
12
7.2
13
7.8
14
8.4
15
9
16
9.6
17
10.2
18
10.8
19
11.4
20
12
21
12.6
22
13.2
23
13.8
24
14.4
25
15
26
15.6
27
16.2
28
16.8
29
17.4
30
18
Start Graph, Color green
x
y
1
25.3
2
13.1
3
9.233
4
7.45
5
6.5
6
5.967
7
5.671
8
5.525
9
5.478
10
5.5
11
5.573
12
5.683
13
5.823
14
5.986
15
6.167
16
6.362
17
6.571
18
6.789
19
7.016
20
7.25
21
7.49
22
7.736
23
7.987
24
8.242
25
8.5
26
8.762
27
9.026
28
9.293
29
9.562
30
9.833
Label "Quantity of Zippers" at pixel coordinates (175,0).Label "Price of Zippers" at pixel coordinates (0,170).
At the profit maximizing (loss minimizing) quantity, the monopolist is experiencing