Value and comparing value — Question 1

Pogo sells shirts for $14.99 each. Baja Coast has a special deal: buy 2 and get the third at 30% off the least expensive shirt. There are 3 shirts you want to buy. At Baja Coast, the 3 shirts you want are $16.99, $15.99, and $15.50. What is the least amount you can pay for all 3 shirts?