7. Section 57 of the Principal Act is amended by omitting subparagraphs (a) (i), (ii) and (iii) of the definition of “prescribed percentage” in subsection (4) and substituting the following subparagraphs:
“(i) that does not exceed $4,000—5 per cent;
(ii) that exceeds $4,000 but does not exceed $8,000—10 per cent;
(iii) that exceeds $8,000 but does not exceed $16,000—17.5 per cent;
(iv) that exceeds $16,000 but does not exceed $300,000—19 per cent; or
(v) that exceeds $300,000—20 per cent; and”.