DM Inc.$\text{'}$s outstanding, callable bonds were issued seven years ago, with a coupon rate of $5\%,$ original maturity of $25$ years, par value of $$1,000,$ gall price of $$1,100$ and $10$ years of call protection. The bonds are currently selling for $$1,200.$ Interest rates are expected to remain stable in the next few years. Calculate the return that an investor purchasing the bond today should expect to earn.A$.1\mathrm{.}43\%$B$.3\mathrm{.}45\%$C$.3\mathrm{.}75\%$D$.3\mathrm{.}84\%$