$(2)$ If the interest rate is $10\%,$ what is the present value of a security that pays you $$1,150$ next year and $$1,250$ the year after next year?

A$.2045\mathrm{.}5$

B$.2033\mathrm{.}1$

C$.2078\mathrm{.}5$

D$.2181\mathrm{.}8$

$(3)$ What is the yield to maturity on a $1-$year $$2,000$ discount bond with a current price of $$1851\mathrm{.}85?$

A$.7\%$

B$.8\%$

C$.9\%$

D$.10\%$