Where the premium or charge for insurance is included in the overall purchase price or financing of the purchase of merchandise or property, the vendor or lender shall separately state and identify the amount charged and to be paid for the insurance and the classifications if any, upon which based. The inclusion or exclusion of the cost of insurance in the purchase price or financing may not increase, reduce, or otherwise affect any other factor involved in the cost of the merchandise or property or financing as to the purchaser or borrower.