$10,000 is invested at two different rates. $4,500 is invested at 4%, and the rest is invested at 5%. how much interest is earned at the end of one year? show all work for full credit.

The question is asking to calculate how much interest is earned at the end of the year, and base on my research and further analysis, I would say that the answer would be $455, I hope you are satisfied with my answer and feel free to ask for more if you have questions 

$18.25 ($365 divided by 20)