Keep getting the wrong answer. Please help!!!
Amelia bought a new car with a sticker price of $9,987. If she paid 4% sales tax, traded in her old car for $1,950, and made a 25% down payment, calculate the total amount of the purchase price that she financed.

a. $8,037 b. $8,358.48 c. $6,327.36 d. $6,268.86