What is the use of collateral?

Consider the following three bond quotes; a treasury note quoted at 87.25, and a corporate bond quoted at 102.42, and a municipal bond quoted at 101.45. if the treasury and corporate bonds have a par value of $1,000 and the municipal bond has a par value of $5,000, what is the price of these three bonds in dollars? multiple choice $872.50, $1,000, $1,000, respectively $1,000, $1,024.20, $1,001.45, respectively $872.50, $1,024.20, $5,072.50, respectively $1,000, $1,000, $1,000, respectively