|FAvRateTD (Amount, MargRates, [RateFromThresholds], [RateFromDates], InputDateValue)|
|Average Rate (Time Dependent). Calculates the average tax rate given a series of marginal tax rates effective FROM certain dates and FROM, or ABOVE certain thresholds|
|This function is like FAvRate with the extra dimension of time. The marginal rates are effective FROM or ABOVE certain thresholds and FROM certain dates.|
|F...||Rates pertain to the time after each corresponding from date|
Which Way Round to Input the ØMarginalRatesØ Matrix?
Things To Watch Out For
Both the Dates and the Thresholds have the "From" designation, meaning that each marginal rate applies from a certain date and from (ie above) a certain threshold.