Write a windows C# application for a telephone provider service. The application contains a combo box holding the country dialing code for 10 different countries. The program will contain an array to hold the “per minute” charges that differ for each country. The application also contains a textbox to enter the number of call minutes to display (in a label) the total call price, or the minute price if no amount is entered in the textbox.
pllllllllllllllllz help me to do it i dont know how to make it !!!!
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