The following table summarizes the yields to maturity on several one$-$year, zero$-$coupon securities: $($Note: The yields displayed in the table are annually compounded yields.$)$

a$.$ What is the price $($expressed as a percentage of the face value$)$ of a one$-$year, zero$-$coupon corporate bond with an AAA rating?

b$.$ What is the credit spread on AAA$-$rated corporate bonds?

c$.$ What is the credit spread on B$-$rated corporate bonds?

d$.$ How does the credit spread change with the bond rating? Why?

Data table

$($Click on the following icon $$ in order to copy its contents into a spreadsheet.$)$

$\backslash$table$[[$Security$,$Yield$],[$Treasury$,3\mathrm{.}08\%$

COMPLETE A$-$D