(PLEASE ANSWER)
You have 2 different savings accounts. For Account​ A, the simple interest earned after 3 months is $0.90. For Account​ B, the simple interest earned after 18 months is $22.50. If the interest rate is 3.6%for Account A and 2.5% for Account​ B, how much is the principal in each​ account? Which account earned you the most interest the first​ month? Explain your answer.

Account A has a principal of ​$BLANK. (Round to the nearest dollar as​ needed.)