A $7\mathrm{.}10$ percent coupon bond with $21$ years left to maturity is priced to offer a $5\mathrm{.}2$ percent yield to maturity. You believe that in one year, the yield to maturity will be $5\mathrm{.}7$ percent.$($Assume interest payments are semiannual.$)$What would be the total return of the bond in dollars?What would be the total return of the bond in percent?