POS Management

POS and Stock ,Credit Control ,CRM and repairs management online and offline access We sell computers , laptops, chargers ,earphones ,headphones,memory cards [login to view URL] also repair phones and laptops I want a software that can keep track of eachl items in stock using their individual imei or serial numbers for electronic items and selling of all goods and services . I want possibility to add add more showrooms and stores Showing pictures , stock balance in different stores and samples in showroom . All electronics in showroom in different stores can be tracked by imei or serial numbers All goods can enter purchase price whether USD,EURO,GBP or local currency which is GMD .The exchange rate , supplier details;. Print receipts ,quotations and invoices and delivery [login to view URL] is an option to charge VAT or not Payment by customers is done mostly by cash , cheque ,direct bank transfer and hire purchase paid by installment .We need outstanding payment to be captured and remain under alert until fully payment