Answer:
3.2%
Step-by-step explanation:
this is an ordinary annuity:
future value of an ordinary annuity = annual payment x future value annuity factor
$366,000 = $11,000 x future value annuity factor
future value annuity factor = $366,000 / $11,000 = 33.2727
you can solve this in two ways:
the first is with a lot of math work in order to solve the following equation
33.2727 = [(1 + i)²³ - 1] / i
or
you can use an annuity calculator (available online) which will yield 3.2%