10. DETAILS Your college newspaper, The Collegiate Investigator, has fixed production costs of $64 per edition and marginal printing and distribution costs of $0.4 per copy. The Collegiate Investigator sells for $0.65 per copy. (a) Write down the associated linear cost, revenue, and profit functions (in dollars) where x represents the number of copies of the newspaper made and sold. (b) What profit (or loss) results from the sale of 450 copies of The Collegiate Investigator? (c) How many copies should be sold in order to break even? copes Submit Answer