Line Number Givens: Principal Compound APF Quarter Principal Interest Total Methods Qur. #18 Iteration (Steps) Qtr. #18 Formula Qtr. #18 Excel Function "-FV( Total: $ Reflection 1: What would be another way to calculate total interest rather than just adding up the individual interest amounts? Reflection 2: What percentage of the balance (end of Quarter #36) is the interest and what percentage is the principal? Do these percentages change if you modify the principal or APR? How