SPV further promises to pay interest on the outstanding unpaid principal amount hereof from the date hereof until payment in full hereof at a rate equal to the Prime Rate; provided ,   however , that if SPV shall default in the payment of any principal hereof, SPV promises to pay, on demand, interest at the rate of the Prime Rate plus 2.00% per annum on any such unpaid amounts, from the date such payment is due to the date of actual payment.  Interest shall be payable on the first Business Day of each month in arrears; provided ,   however , that SPV may elect on the date any interest payment is due hereunder to defer such payment and upon such election the amount of interest due but unpaid on such date shall constitute principal under this Subordinated Note.  The outstanding principal of any loan made under this Subordinated Note shall be due and payable on the Collection Date and may be repaid or prepaid at any time without premium or penalty.