$8 million, 6%, 12-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 O a. $480,000 received for 12 periods must be calculated. O b. $960,000 received for 12 periods must be calculated. O c $8 million received in 12 periods must be calculated. Od $8 million received in 24 periods must be calculated