$24,000 when Hank bought the car
$12,000 half of its value
$21,600 after 1 year
$19,440 after 2 years
$17,496 after 3 years
$15,746.4 after 4 years
$14,171.76 after 5 years
$12,754.58 after 6 years
$11,479.12 after 7 years
after 6 years and half, Hank's car would have lost half of its value
Answer is C!