Acharity organization had a fundraiser where each ticket was sold for a fixed price of \$70$70dollar sign, 70. they had to sell a few tickets just to cover necessary production costs. after selling 101010 tickets, they were still at a net loss of \$800$800dollar sign, 800 (due to the production costs). let p(n)p(n)p, left parenthesis, n, right parenthesis denote the net profit from the fundraiser ppp (measured in dollars) as a function of the number of tickets sold nnn. write the function's formula.