Interest hereunder on each Prime Rate Loan shall be due and payable on the last calendar day of each month during the term hereof (each a “ Prime Rate Payment Date ”), commencing on December 31, 2017. Interest hereunder on each LIBOR Loan shall be due and payable on the last day of each Interest Period applicable to such LIBOR Loan; provided , however , that in the case of any Interest Period greater than three (3) months in duration, interest shall be payable at three (3) month intervals after the commencement of the applicable Interest Period and on the last day of such Interest Period. Bank shall, at its option, charge such interest, all Bank Expenses, and all Periodic Payments against any of Borrower’s deposit accounts. Any interest not paid when due shall be compounded by becoming a part of the Obligations, and such interest shall thereafter accrue interest at the rate then applicable hereunder.