4. The following sums shall be deducted from the income taken into consideration for the purposes of section 3 for each person making up the household:
(1) the amount paid by that person as support under an order or judgment of a competent court;
(2) the cost of hospitalization or shelter in a child and youth protection centre, a residential and long-term care centre and rehabilitation centre referred to in section 79 of the Act respecting health services and social services (chapter S-4.2) paid by that person, except the fees related to the occupancy of a private or semi-private room;
(3) the operating expenses incurred by that person to earn income on property or income from self-employment or the operation of a business excluding any amount related to a deduction for depreciation or a capital cost allowance.
The amount referred to in subparagraph 3 may only be deducted from the person’s operating income.