On the first of February, Rosa Maria deposits $19,500 in an account earning 5.7% simple interest per month. How much money can she withdraw on the first day of September if she had withdrawn $6,500...

On the first of February, Rosa Maria deposits $19,500 in an account earning 5.7% simple interest per month. How much money can she withdraw on the first day of September if she had withdrawn $6,500 from her account on 1 April? (It's advisable to make a time diagram)