Recently, You Needed Money and Agreed to Sell a Car

Recently, you needed money and agreed to sell a car you had inherited at a price of $55,000, to be paid in monthly payments of $1,500 for 42 months.What interest rate did you charge for financing the sale?

A) 7.25 percent
B) 6.50 percent
C) 6.84 percent
D) 7.78 percent
E) 8.33 percent