Hunky Beef, a Joe~ I sandwich store, has a fixed weekly cost of $525.00. and variable

Chapter 3, Problem 73

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Hunky Beef, a Joe~ I sandwich store, has a fixed weekly cost of $525.00. and variable costs for making a roast beef sandwich are$0.55. a. Let x represent the numbe r of roast beef sandwiches made and sold each week. \Vrite the weekly cost function, C. for Hunky Beef. (Hint: The cost function is the sum of fixed and varia hie costs.) b. ll1e function R(x) - - 0.001x1 + 1t describes the money, in dollars. that Hunky Beef takes in each week from the sale of x roast beef sandwiches. Usc this revenue function and the cost function from part (a) to write the sto re's wee.kly profit function, P. (HhJt: The profit function isthe difference between the revenue and cost functions.) c. Use thestores profit function to determine the number ofroast beef sandwic.hes it should make and sell each week to maximize profit. \Vhat is the maximum weekly profit?