(2)
If the current monthly income of the debtor and the debtor’s spouse combined, when multiplied by 12, is less than—
(A)
in the case of a debtor in a household of 1 person, the median family income of the applicable State for 1 earner;
(B)
in the case of a debtor in a household of 2, 3, or 4 individuals, the highest median family income of the applicable State for a family of the same number or fewer individuals; or
(C)
in the case of a debtor in a household exceeding 4 individuals, the highest median family income of the applicable State for a family of 4 or fewer individuals, plus $525 per month for each individual in excess of 4,
the plan may not provide for payments over a period that is longer than 3 years, unless the court, for cause, approves a longer period, but the court may not approve a period that is longer than 5 years.