o the terms of this Contract, to and including September 1, 1990, of which Seller gives Purchaser at least thirty days' prior written notice, which Closing Date may be made "time of the essence" to Purchaser or Seller, as the case may be, by the other party hereto, only after the party as to whom "time of

utive billing periods, we may assess a fee in that same billing period of the greater of $30 or 2.9% of the Amount Due that was not credited by that Closing Date (lowa.$15). If payment of the total Amount Due is not credited by successive Closing Dates, we may assess a fee equal to the greater of $30 or 2.9%

we may assess a fee In that same billing period of the greater of $35 or 2.99% of the total Amount Due that was not credited to your Account by that Closing Date (Iowa $15). If payment of the total Amount Due is not credited to your Account by successive Closing Dates, we may assess a fee equal to the greater

we may assess a fee In that same billing period of the greater of $35 or 2.99% of the total Amount Due that was not credited to your Account by that Closing Date (Iowa $15). If payment of the total Amount Due is not credited to your Account by successive Closing Dates, we may assess a fee equal to the greater