7. Ariel takes a loan of $8,000 to buy a used truck at the rate of 9 % simple interest. Calculate the
 annual interest to be paid for the loan amount.
 A. 1730
 B.2345
 C. 720
 D. 14
 E. 72
 8. Steve invested $ 10,000 in a savings bank account that earned 2% simple interest. Find the interest
 earned if the amount was kept in the bank for 4 years.
 A. 500
 B. 300
 C. 1200
 D. 800
 E. 600