necessary cleaning or sanitation, repair, remodeling, upgrading, painting or decorating; or (ii) replace the necessary fixtures, furnishings, equipment, signs. If Franchisee fails or refuses to initiate within ten (10) days after receipt of a notice that the general state of repair, appearance, and cleanliness of your store does not meet Pretzel Time's standards, and thereafter continue in good faith and with due diligence a bona fide program to undertake and complete required maintenance or refurbishing, Pretzel Time has the right, but is not obligated, to enter upon the premises of the Unit and effect such maintenance and refurbishing on Franchisee's behalf, and Franchisee shall pay the entire cost thereof to Pretzel Time on demand. 13.B. UNIT MENU. Franchisee agrees that the Unit shall offer for sale all Products and no other products, which Pretzel Time, in its sole discretion, may authorize and/or require from time to time for the Unit. Franchisee agrees that the Unit shall not offer for sale or sell any Products or services at or from the Unit which have not been approved in writing by Pretzel Time or use the Site or Unit for any purpose other than the operation of a Pretzel Time Unit. Franchisee agrees that the Unit shall not sell any Products at, from or away from the Site until Pretzel Time, in its sole discretion, has approved the same, provided the foregoing shall not limit Franchisee to sample in front of the lease line as limited in Franchisee's lease. Pretzel Time reserves the right to change the types of authorized Products and require Franchisee to offer to sell and sell the new, modified or substituted Products. Pretzel Time may develop new Products, methods of operations, and standards and may provide you with information about developments. Franchisee also acknowledges and agrees that if