A service charge of 2% per month (24% per annum) will be charged on overdue accounts. Title to all merchandise invoiced herein passes to the purchaser only upon full payment of invoice. Returned goods, if accepted by us, are subject to a 20% restocking charge. Any price/pricing discrepancies or objections of customers must be specifically provided to us in writing within 2 days after receipt of this invoice by customer, after which, the stated prices/pricing shall be deemed correct and not subject to change for any reason.