What does p(n) and n represent in this situation? p(n) represents the number of pies sold and n represents the profit. p(n) represents the profit and n represents the number of pies sold.

A baker determined the annual profit in dollars from selling ples using p(n) - 520 - 0.05m, where n is the number of pies sold. What is the annual profit if the baker sells 400 pies? F $20,780 G $12,800 H $28,800 J $20,760