The interest earned on the $900 carryover at a rate of 21.99% is $197.91.
The question is asking about a $900 carryover at an interest rate of 21.99%. To find the amount of interest earned, we can multiply the carryover amount by the interest rate as a decimal.
Interest = $900 * (21.99/100) = $197.91
Therefore, the interest earned on the $900 carryover at a rate of 21.99% is $197.91.
The probable question may be: "What is the interest earned on a $900 carryover at a rate of 21.99%?"