The following table summarizes prices of various$$ default$-$free zero$-$coupon bonds$($expressed as a percentage of the face$$ value$)$: LOADING....

a$.$ Compute the yield to maturity for each bond.

b$.$ Plot the$$ zero$-$coupon yield curve$($for the first five$$ years$).$

c$.$ Is the yield curve upward$$ sloping, downward$$ sloping, or$$ flat?Data table

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