A bond has a face value of $$1,000,$ an annual coupon rate of $4\mathrm{.}9\%,$ yield to maturity of $8\mathrm{.}3\%,$ and $4$ years to maturity. What is the bond's duration?

Enter your answer rounded to the second decimal place. For example, enter $1\mathrm{.}234$ years as $1\mathrm{.}23.$