-/8 Points] DETAILS WANEFMAC7 12.2.035.EP. Worldwide annual sales of a device in 2012-2013 were approximately q = -6p + 3,020 million units at a selling price of $p per unit. Assume a manufacturing cost of $40 per Find the function P for annual profit, in millions of dollars and in terms of p only, subject to any constraints. P(P) = Find P'(p). P'(p) = What selling price (in dollars) would have resulted in the largest annual profit? (Round your answer to two decimal places.) p = $ What would have been the resulting annual profit (in millions of dollars)? (Round your answer to the nearest whole number.) $ million Submit