数据分析:
rate 6%
You will spend $25,315.70 on your house in year 1
$14,711.54 will go towards INTEREST
$10,604.17 will go towards PRINCIPAL
You will spend $25,315.70 on your house in year 2
$14,057.49 will go towards INTEREST
$11,258.21 will go towards PRINCIPAL
You will spend $25,315.70 on your house in year 3
$13,363.11 will go towards INTEREST
$11,952.59 will go towards PRINCIPAL
You will spend $25,315.70 on your house in year 4
$12,625.90 will go towards INTEREST
$12,689.80 will go towards PRINCIPAL
You will spend $25,315.70 on your house in year 5
$11,843.22 will go towards INTEREST
$13,472.48 will go towards PRINCIPAL
total interest paid for the first 5 years = 66601.26
total principal paid for the first 5 years = 59977.25
rate 4.8
You will spend $23,412.43 on your house in year 1
$11,745.55 will go towards INTEREST
$11,666.88 will go towards PRINCIPAL
You will spend $23,412.43 on your house in year 2
$11,173.05 will go towards INTEREST
$12,239.38 will go towards PRINCIPAL
You will spend $23,412.43 on your house in year 3
$10,572.46 will go towards INTEREST
$12,839.97 will go towards PRINCIPAL
You will spend $23,412.43 on your house in year 4
$9,942.40 will go towards INTEREST
$13,470.03 will go towards PRINCIPAL
You will spend $23,412.43 on your house in year 5
$9,281.43 will go towards INTEREST
$14,131.01 will go towards PRINCIPAL
total interest paid for the first 5 years = 52714.89
total principal paid for the first 5 years = 64247.21
讨论:也就是说五年下来,选6%将少付本金近4400,而多交了14,000的利息。
结论:要cash back 不合适.