The daily profit P in dollars of a company making tables is described by the function P = -5x+245x-2640, where x is the number of tables that are manufactured in 1 day. Use this information to find the profit when x 20 and x = 28. When x=20, the daily profit is $ (Simplify your answer. Do not include the $ symbol in your answer.) When x 28, the daily profit is $ (Simplify your answer. Do not include the $ symbol in your answer.)