Income (I): After tax monthly take home
Mortgage (M): Monthly payment
Expense (E): Big item expenses, child care, car payment, etc.
Cheng (C): 撑 index
formula:
C = (M + E) / I
Look up:
C < 30% = 饿, 还可以买大点, 再买辆好车, 去更好的 day care/pre school, 再欧洲
度假度假, 还可
以存点钱.
C ~40% = 一点不撑, 可考虑以买大点, 去更好的 day care/pre school, 或买辆好车,
还可以存点钱.
C ~50% = 不撑, 去更好的 day care/pre school, 还可以存点钱.
C ~60% = 正常, 生活正常,还可以存点钱.
C ~70% = 有点撑, 生活可以保持正常, 但存不了多少钱和要担心丢工作, 或生活享受
减低来减少费用.
C ~80% = 很撑, 每天担心丢工作, 生活没有快乐可言.
C ~90% = 撑不起, 多少对石狮都救不了你.
C > 100% = 你是美国人, 直到 foreclose 前可以免费住大屋