The calculation in this question is simple but you need to look through it to get it right.So, The answer in this question is $11,831.61
How do we get the answer?First we need to multiply the price of the boat to the interest rate which is 9.4%
$10,815 * .094 = $1,061.61
next we need to add how much is the interest of the boat in the price of the boat.
$10,815 + $1,061.61 = $11,831.61