Bea wants to buy towels online. There are two stores with the kind of towel she wants. The first store charges $19 per towel, and the delivery charge is $30. The following equation gives the total price (in dollars) of an order from the second store (including delivery) as a function of the number of towels: P = 40 + 16n a) Which store charges more per towel? b) Bea needs 5 towels. Which store is cheaper for her?