$2.($YIELD$)$ On the same day, Treasury $3\mathrm{.}5$s of $2018(3\mathrm{.}5\%$ coupon semiannual bonds maturing in February of $2018)$ were priced at $107\mathrm{.}469\%($assuming $$1,000$ face value it is equivalent to $$1,074\mathrm{.}69$ price$).$ What was their yield to maturity? Suppose that the price was $110\mathrm{.}0\%.$ What would happen to the yield? Compute the yield to maturity using both YIELD and RATE functions in Excel.