Lab This lab has 3 parts o Part one uses overloaded methods o Part two uses properties and inheritance o Part 3 uses math class . Part 1 o Allow the user add 2 integers from separate textboxes. Allow the user to optionally add a third number from a third textbox. If an if statement to determine if 3rd textbox is used . o Use a class to hold the calculate methods . . . Name the class part1Class Name the method Add Instantiate it globally Hint: Dim art!Class = New articlass myClassCS-new particlos s0