A mattress store is having a 50% off sale. The store charges a 4.5% sales tax. A function for the sale price is f(p) = 0.5p, where p is the original price. The total price for a given sale is modeled by the function g(s) = 1.045s. Which is the composition of functions that represents the total price for a given sale as a function of the original price, p?