A pretzel factory has daily fixed costs of $1300. In addition, it costs 40 cents to produce each bag of pretzels. A bag of pretzels sells for $1.90. Complete steps (a)-(c) below. - . . (a) Find the rule for the cost function c(x) that gives the total daily cost of producing x bags of pretzels. c(x) = (Simplify your answer.) (b) Find the rule of the revenue function r(x) that gives the daily revenue from selling x bags of pretzels. r(x) = (Simplify your answer.) (c) Find the rule of the profit function p(x) that gives the daily profit from x bags of pretzels. p(x) =| (Simplify your answer.)