2. ronisha invests $5000 in an account that earns 2. 3% annual simple interest. after 3 years, ronisha invests the interest earned in a second account. this account earns 3. 2% annual interest. ronisha leaves the money in this account until she has earned $55. 20 in interest.

ronisha does not deposit or withdraw any money from the accounts.

how long does ronisha invest money into the second account?