Please find the coupon rate for all four.

Coupon rates. What are the for the following bonds, ? Hint: Make sure to round all intermediate calculations to at least six decimal places. a. What is the coupon rate for the following bond? (Round to two decimal places.) \begin{tabular}{|c|c|c|c|c|c|} \hline Par Value & CouponRate & YearstoMaturity & YieldtoMaturity & Price & CouponFrequency \\ \hline$1,000.00 & ? & 20 & 9% & $814.76 & monthly \\ \hline$1,000.00 & ? & 10 & 8% & $1,273.55 & quarterly \\ \hline$5,000.00 & ? & 10 & 11% & $4,103.72 & semiannual \\ \hline$5,000.00 & ? & 25 & 12% & $2,647.06 & annual \\ \hline \end{tabular}