The balance of aaron's average balance checking account at the beginning of last cycle was $400, and the only transaction for the cycle was a check that aaron wrote for $200, which cleared exactly halfway through the cycle. on what amount did aaron's checking account pay interest last cycle?

Aaron's checking account pay interest last cycle at $300

Step-by-step explanation:

Banks pay pay interest on a daily basis compounded 365 days a year.

Interest paid for the first half of the month = $400

Interest paid for the second half of the month = $200

Now, for finding the average balance :

We add both the interests paid for the first and the second month then divide their sum by 2

So, Aaron's checking account pay interest last cycle at $300

none I think it's the answer is 2