A bond with a coupon rate of $7$ percent sells at a yield to maturity of $9$ percent. If the bond matures in $15$ years, what is the Macaulay duration of the bond? What is the modified duration?

Note: Do not round intermediate calculations. Round your answers to $3$ decimal places.

$\backslash$table$[[,$Duration$],[$Macaulay$,,$years$],[$Modified$,,$years$]]$