$($Exercise $4\mathrm{.}31)$ A perpetuity makes payments starting $5$

years from today. The first payment is $$950$

and each payment thereafter increases by k

$\%$ per year. The present value of this perpetuity is equal to $$9827$

when computed at i$=9\mathrm{.}6$

$.$ Find k

$.$

k

$=$