can I get this wuestion worked out by hand please

4) (20 points) DarkSide insurance company offers Leia two payment options for her annual homeowner's insurance premium. She can make a lumpsum payment of $3,000 at the beginning of the year or make four quarterly payments of $800 at the beginning of each quarter. DarkSide informs Leia that if she chooses the option of making four quarterly payments every year, she will be paying an effective annual interest rate of 19.25%. Do you agree? Explain