Find the present value of a perpetuity under which a payment of $1$ is made at the end of the first year, $2$ at the end of the second year, increasing until a payment of $22$

is made at the end of the $22$

th year, and thereafter payments are level at $22$

per year forever, where the annual effective rate of interest be $0\mathrm{.}08$

$..$

ANSWER $=$

$.$