Adam bought a treadmill and a dirt bike from a sports equipment store for y dollars. He signed an installment agreement requirin
g an 8% down payment and monthly payments of x dollars for 18 months. Which expression correctly represents Adam’s finance charge? A. 0.8y
B. 18y
C. 18x − 0.92y
D. 18x − 0.08y
E. 18y − 0.92x
