Period (number of months): Load value (principle):

Annual interest (format: "value: start-end, value: start-end, ..."):

Additional pay (format: "value: start-end, value: start-end, ..."):
Expected annual return rate: Tax rate:

Averaged Monthly Pay (monthly total and interest)

Accumulated Total Pay (remaining principle and paid interest)

Expected accumulated return from additional pay:

After-tax effective return rate: