$1.$ What is the quoted price of a $16-$year $6\mathrm{.}7\%$ semiannual bond yielding $6\mathrm{.}7\%?$

$2.$ What is the quoted price of a $9-$year $6\mathrm{.}7\%$ annual coupon bond yielding $6\mathrm{.}5\%?$

$3.$ An A$-$rated bond, relative to a B$-$rated bond with the same coupon rate:

has a higher yield and a higher price

has a higher yield and a lower price

has a lower yield and a higher price

has a lower yield and a lower price

$4.$ A $6\%$ coupon bond yields $7\%.$ The current yield is likely to be:

lower than $5\%$

about $5\%$

higher than $5\%$ but lower than $6\%$

higher than $6\%$