The graphs labeled L1, L2, L3, and L4 represent four different pricing discounts, where p is the original price (in dollars) and S is the sale price (in dollars). Match each function with its graph. Describe the situations in parts (c) and (d).

(a) f (p): A 50% discount is applied.
(b) g(p): A $5 discount is applied.
(c) (g ˆ˜ f) (p)
(d) (f ˆ˜ g) (p)

15 L2 10 5 5 10 15 Original price (in dollars) Sale price (in dollars)