Question needs to be answered in C# please.

Create a program named IntegerFacts whose Main( ) method declares an array of ten integers. Call a method named FillArray to interactively fill the array with any number of values up to ten or until a sentinel value (999) is entered. If an entry is not an integer, re-prompt the user. Call a second method named Statistics that accepts out parameters for the highest value in the array, lowest value in the array, sum of the values in the array, and arithmetic average. In the Main( ) method, display all the statistics in the following format: The array has 2 values The highest value is 11 The lowest value is 1 The sum of the values is 12 The average is 6 The inputs were 1, 11, and 999