Currency Converter

To allow users to convert currencies and update the currency rates. You may choose up to 3 currencies to allow the user to convert. (E.g. USD, EUR, SGD) The functions: Be able to select the currencies and key in the amount for conversion.  You should programmed the currencies rate up-to-date as you do your program and when the user select the currency, the rate should auto appear at the textbox “Current Rate”. Users should be able to update stored conversion rate as currency rate are not consistent. Results should be able to show after clicking “Convert” button. (It should be a read-only text box as it will auto-generate results when click “Convert”.  A “Clear” button on the form is optional which will benefits users to clear all the inputs on the form if they input incorrectly.