PLEASE ONLY ANSWER QUESTION #$4($i have included questions $1-3$ with the answers in case you need them to answer question $4,$but please only answer question $4.$ See attached the picture of what you need to provide for question $4)$

$(1)$ What is the value of a $10-$year, $$1,000$ par value bond with a $10\%$ annual coupon if its required return is $10\%?$ answer: $$1000\mathrm{.}00$

$(2)$ What is the value of a $13\%$ coupon bond that is otherwise identical to the bond described in $1?$ Would we now have a discount or a premium bond? answer: $$1,184\mathrm{.}34$

$(3)$ What is the value of a $7\%$ coupon bond with these characteristics? Would we now have a discount or a premium bond? answer: $815\mathrm{.}66$

$(4)$ What would happen to the values of the $7\%,10\%,$ and $13\%$ coupon bonds over time if the required return remained at $10\%?$