please help.

Listen a. You purchase a $1,000 consol with annual payments of 9%. If current interest rates are 6%, what is the price of the consol? b. You purchase an $800 consol with annual payments of 6%. If the current price of the consol is $480, what is the current interest rate? AM Listen What is the process that makes sure the market price of an underlying asset equals the price of a futures contract at the settlement date? Provide an example