Any veteran entitled to compensation at the rates provided in section 1114 of this title, and whose disability is rated not less than 30 percent, shall be entitled to additional compensation for dependents in the following monthly amounts:

(1) If and while rated totally disabled and—

(A) has a spouse but no child, $150;

(B) has a spouse and one or more children, $259 plus $75 for each child in excess of one;

(C) has no spouse but one or more children, $101 plus $75 for each child in excess of one;

(D) has a parent dependent upon such veteran for support, then, in addition to the above amounts, $120 for each parent so dependent;

(E) notwithstanding the other provisions of this paragraph, the monthly payable amount on account of a spouse who is (i) a patient in a nursing home or (ii) blind, or so nearly blind or significantly disabled as to need or require the regular aid and attendance of another person, shall be $286 for a totally disabled veteran and proportionate amounts for partially disabled veterans in accordance with paragraph (2) of this section; and

(F) notwithstanding the other provisions of this paragraph, the monthly amount payable on account of each child who has attained the age of eighteen years and who is pursuing a course of instruction at an approved educational institution shall be $240 for a totally disabled veteran and proportionate amounts for partially disabled veterans in accordance with paragraph (2) of this section.

(2) If and while rated partially disabled, but not less than 30 percent, in an amount having the same ratio to the amount specified in paragraph (1) of this section as the degree of disability bears to total disability. The amounts payable under this paragraph, if not a multiple of $1, shall be rounded down to the nearest dollar.