Consider the market for a bond which has a face value of $$1,000,$ pays a coupon of $$200,$ and matures in $1$ years. Suppose the demand for such bonds is given by P$=2,000-$Q$,$ and that the supply of such bonds is given by P$=200+$Q$.$ What is the yield to maturity of this bond?$1\mathrm{.}2\%2\%9\%\mathrm{.}12\%$