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
25
1
24.5
2
24
3
23.5
4
23
5
22.5
6
22
7
21.5
8
21
9
20.5
10
20
11
19.5
12
19
13
18.5
14
18
15
17.5
16
17
17
16.5
18
16
19
15.5
20
15
21
14.5
22
14
23
13.5
24
13
25
12.5
26
12
27
11.5
28
11
29
10.5
30
10
Start Graph, Color blue
x
y
0
25
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
13
12
14
11
15
10
16
9
17
8
18
7
19
6
20
5
21
4
22
3
23
2
24
1
25
0
26
-1
27
-2
28
-3
29
-4
30
-5
Start Graph, Color black
x
y
0
0
1
2.4
2
4.8
3
7.2
4
9.6
5
12
6
14.4
7
16.8
8
19.2
9
21.6
10
24
11
26.4
12
28.8
13
31.2
14
33.6
15
36
16
38.4
17
40.8
18
43.2
19
45.6
Start Graph, Color green
x
y
1
18.2
2
10.9
3
9.267
4
9.05
5
9.4
6
10.033
7
10.829
8
11.725
9
12.689
10
13.7
11
14.745
12
15.817
13
16.908
14
18.014
15
19.133
16
20.262
17
21.4
18
22.544
19
23.695
20
24.85
21
26.01
22
27.173
23
28.339
24
29.508
25
30.68
26
31.854
27
33.03
28
34.207
29
35.386
30
36.567
Label "Quantity of Train Tickets" at pixel coordinates (175,0).Label "Price of Train Tickets" at pixel coordinates (0,170).
At the profit maximizing (loss minimizing) quantity, the monopolist is experiencing