bureau de change point of sale system with mysql backend

The project involves in building a point of sale system for a bureau de change organisation. the system should be able to be user friendly and the developer is required to provide robust application. the requirements of the application are: provide automatic currency rates updating with the user of Yahoo finance API with all the major currencies including EURO USD Swiss Franc (CHF) Australian dollar(AUD) Canadian dollar(CAD) New Zealand Dollar(NZD) Danish Krone(DKK) Croatian Kuna(HRK) Polish Zloty(PLN) Japanese Yen(JPY) Czech Koruna(CZK). receipt printer. level of access of managerial and staff. record sales and transaction. record customers who are buying large currencies..