You have 2 different savings accounts. For Account​ A, the simple interest earned after 3 months is $1.35 For Account​ B, the simple interest earned after 30 months is $21.00 If the interest rate is 3.6 If the interest rate is 2.1% for Account​ B, how much is the principal in each​ account? Which account earned you the most interest the first​ month? Explain your answer.