54. For the purposes of this subdivision:
“APR” means the cost of borrowing expressed as the annual rate on the principal referred to in the first paragraph of section 55;
“disbursement charge” means a charge, other than the one referred to in the first paragraph of section 58, to recover an expense incurred by the lender to arrange, document, insure or secure a loan and includes charges referred to in subparagraphs 3 and 6 to 8 of the second paragraph of section 58;
“high-ratio loan” means a loan under which the amount advanced, together with the amount outstanding under any other hypothec that ranks equally with, or prior to, the hypothec loan exceeds 80% of the market value of the property securing the loan;
“principal” means the amount borrowed but does not include any cost of borrowing.