A charity organization had a fundraiser where each ticket was sold for a fixed price. After selling 200 tickets, they had a net profit of \$12{,}000$12,000 dollar sign, 12, comma, 000. They had to sell a few tickets just to cover necessary production costs of \$1{,}200$1,200 dollar sign, 1, comma, 200.
Let y represent the net profit (in dollars) when they have sold x tickets.