An investor purchased a bond as a long-term investment on January 1. Annual interest was received on December 31. The investor's interest income recorded would equal cash received each year if the bond were purchased at Select one: Oa. Face Value O b. A discount, and the straight-line method was used O c. A discount, and the effective method was used O d. A premium, and the effective method was used e. A premium, and the straight-line method was used