c$.$ What is the coupon rate for the following bond? $($Round to two decimal places.$)$

$\backslash$table$[[$Pent vatye,,$\backslash$table$[[$Yeers io$],[$Merinity$]],\backslash$table$[[$Yeld to$],[$Mewily$]],$Price,$\backslash$table$[[$Covpon$],[$Frequens$]]],[$$$1,000,00,\%,5,8\%,$$$1,040\mathrm{.}88,$quarterly$]]$