Guided Question: 1. Anica bought perfume using a credit card at a price of P2,400 payable in four months at 15%. The principal is also repaid equally each month with four payments of P600 each....

Extracted text: Guided Question: 1. Anica bought perfume using a credit card at a price of P2,400 payable in four months at 15%. The principal is also repaid equally each month with four payments of P600 each. Compute for the total interest when it is paid equally over four months. 2. Diane has a loan whose interest rate is 6%. The amount of interest is P43.75 for a period of 75 days. How much is her loan using ordinary interest method? 3. Paul repaid a total of P762.39 on the due date of his loan. How much is the rate that the lender charged Paul if he borrowed an amount of P750 for 45 days using exact interest?