Upon termination of any franchise by a franchisor without good cause, the franchisor shall, at the franchisee's option, repurchase at franchisee's net cost, less a reasonable allowance for depreciation or obsolescence, the franchisee's inventory, supplies, equipment, and furnishings purchased by the franchisee from the franchisor or its approved sources; however, no compensation shall be allowed for the personalized items which have no value to the franchisor.