DongA Bank is a bank that carry out foreign exchange transactions VND - USD and gold exchange rate lookup SJV.Please help banks build a desktop application or a website perform two tasks:1. Users enter the amount of dollars, then the system will connect to the web service to perform conversion of money into VND and displayed to the user. Note: one USD = 22,000 VND2. Users click on view gold price, the system connects to a web service and display information gold price.
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