2 billion, 8%, 10-year bonds are issued at face value. Interest will be paid semi-annually. When calculating the market price of the bond, the present value of 80,000,000 received for 10 periods must be calculated. 160,000,000 received for 10 periods must be calculated. 2 billion received in 20 periods must be calculated. 2 billion received in 10 periods must be calculated