Which of the fallowing must be known to compute the interest rate paid from financing an asset purchase with an annuity?

To compute the interest rate paid from financing an asset purchase with an annuity, you must know the total amount financed, the periodic payment amount, and the total number of payment periods. Additionally, the type of annuity (ordinary or due) affects the calculations. With this information, you can use financial formulas or calculators to determine the interest rate.