Emissions (tons/month)	Marginal cost of abatement	Total reduction cost	Total tax bill at $100/ton	Total costs
10	0
9	15
8	30
7	50
6	70
5	100
4	120
3	150		300
2	185		200
1	230		100
0	290		0

See the table above. The former firm faces an emissions charge of $100 per ton/month. If the company chooses to emit 5 tons/month, what is the company's total cost?