Some warnings and precautions to be aware of with levofloxacin include the following: 1  Levofloxacin can cause severe allergic reactions. 2  Seek immediate medical attention if you develop any signs of an allergic reaction, such as a rash or hives, itching, swelling of the lips or throat, wheezing, or difficulty breathing.
How your monthly interest charge is calculated. Interest charges are calculated on a monthly basis. Since months vary in length, most credit card issuers use a Daily Periodic Rate (DPR) to calculate interest charges. The DPR is calculated by dividing the APR by 365.ow your monthly interest charge is calculated. Interest charges are calculated on a monthly basis. Since months vary in length, most credit card issuers use a Daily Periodic Rate (DPR) to calculate interest charges. The DPR is calculated by dividing the APR by 365.
And if your card compounds the interest (a practice of charging interest on the monthly interest accrued), the total interest will be several dollars more than the annual rate. To calculate your monthly interest charge, the bank takes the 18% APR and divides it by 12 months for the year. That comes to 1.5% of the average daily balance for the month. The average daily balance is a method of leveling out the amount you owe, which may fluctuate from day to day because of payment and purchases.