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
10
1
9.5
2
9
3
8.5
4
8
5
7.5
6
7
7
6.5
8
6
9
5.5
10
5
11
4.5
12
4
13
3.5
14
3
15
2.5
16
2
17
1.5
18
1
19
0.5
20
0
21
-0.5
22
-1
23
-1.5
24
-2
25
-2.5
26
-3
27
-3.5
28
-4
29
-4.5
30
-5
Start Graph, Color blue
x
y
0
10
1
9
2
8
3
7
4
6
5
5
6
4
7
3
8
2
9
1
10
-0
11
-1
12
-2
13
-3
14
-4
15
-5
16
-6
17
-7
18
-8
19
-9
20
-10
21
-11
22
-12
23
-13
24
-14
25
-15
Start Graph, Color black
x
y
0
0
1
3.4
2
6.8
3
10.2
4
13.6
5
17
6
20.4
7
23.8
8
27.2
9
30.6
10
34
11
37.4
12
40.8
13
44.2
Start Graph, Color green
x
y
1
28.7
2
16.9
3
14.1
4
13.55
5
13.9
6
14.7
7
15.757
8
16.975
9
18.3
10
19.7
11
21.155
12
22.65
13
24.177
14
25.729
15
27.3
16
28.887
17
30.488
18
32.1
19
33.721
20
35.35
21
36.986
22
38.627
23
40.274
24
41.925
25
43.58
26
45.238
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