Suppose that someone owns a 30-year $23000 T-bond with a rate of 4%. After 9 years the bond is sold for cash, but interest rates have fallen to 2.5%. 

(a) How much has the bond paid in total for the first 9 years?

(b) How much will the bond pay the person buying it over the next 21 years? 

(c) How much is the bond currently worth? 

(a) Over the first 9 years, the bond has paid$ nothing. (Simplify your answer.) 

(b) Over the next 21 years, the bond will pay the buyer $ nothing. (Simplify your answer.)

(c) The bond is currently worth $ nothing. (Simplify your answer. Round to two decimal places as needed.)