Ashoe store charges a retail price of $39 for a certain type of sneaker. this retail price is 30% more than the amount it costs the shoe store to buy one pair of these sneakers. at an end-of-the-year sale, sales associates can purchase any remaining sneakers at 20% off the shoe store’s cost. how much would it cost an employee to purchase a pair of sneakers of this type during the sale (excluding sales tax)?

$31.20
$25.00
$24.00
$21.84
$19.50