how do i do this question on a financial calculator? Which buttons do I press and how do I set up the question ahead of putting it in the calculator? $"$A $10-$year, $8\%$ coupon bond pays interest annually. The bond has a face value of $$1,000.$ What is the percentage change in the price of this bond if the market yield rises to $9\%$ from the current rate of $8\mathrm{.}5\%?"$