Given the following information in the table, what is the maximum profit that can be made?

Output	Total Revenue	Total Cost	Marginal Revenue	Marginal Cost	Profit (or Loss)
0	$ 0	$ 2
1	5	5
2	10	7
3	15	9
4	20	11
5	25	15
6	30	22

Enter your answer as a whole number with no commas, decimals or special characters (example: $).

Answer value