A vendor at a carnival sells cotton candy and caramel apples for S4 each. The vendor is charged $375 to set up his booth. Furthermore, the vendor's average cost for each product he produces is approximately $0.25.
(a) Write a linear cost function representing the cost C (x) (in S) to the vendor to produce x products,
(b) Write a linear revenue function representing the revenue R(x) (in S) for selling x products.
(c) Determine the number of products to be produced and sold for the vendor to break even.
(d) If 80 products are sold, will the vendor make money or lose money?