if you konw the

1. Purchase price, interest rate (in percent)

2. Deposit rate (in percent, to calculate down payment)

3. Loan term (in years only, minimum 5 years and maximum 30 years)

4. and payment frequency (choice of annually, quarterly, monthly, fortnightly, and weekly),

Please give three formulas to calculate the following values, and use the actual data for example

1) Total interest paid;

2) Total mortgage;

3) and payment for each period (depending on the payment frequency).