in C#, Write a method with the following specifications: name : CalculateSum arguments : a single int representing the number of inputs that will constitute the sum return value : int representing the sum of all the user inputs displays : only the prompt for the user inputs, but does not display the sum tasks : prompt and accepts inputs (as many as specified by the argument), and sum them, Finally the method will return the sum of all the inputs (the sum) In your main you will call this method when the user enters 3 in response to the menu choices. You will invoke this method with argument 5 and then display the resulting value from the method.