1) When the amount earned on a deposit has become part of the principal at the end of a specified time period the concept is called A) discount interest. B) compound interest. C) primary interest. D) future value 2) The future value of $100 deposited at 6 percent for four years is: A) $126. B) $ 79. C) $124. D) $116. 3) The future value of $200 deposited at 8 percent for three years is: A) $248. B) $252. C) $158. D) $200. 4) The future value of $30,000 deposited at 9 percent for twenty years is: A) S 168,200 B) $ 16,820 C) $5,340 D) $ 45,000