Task of assigning random numbers to the squares, and selecting the winning square.      Whenever the user clicks the   “Go” button, your VBA program should assign new random numbers to   the cells in the worksheet and also randomly select the winning cell and   change its background color to red (or some other color). No formulas should   be placed in any cells on the worksheet.            Requirements & Hints:   1) You may use formulas to   create the row and column headings in the table. However, there should not be   any other formulas in the worksheet. All the random numbers should be   generated in VBA and placed in the cells as numeric constants (not cell   formulas).      2) In VBA, numbers between 1   and 500 can be randomly generated via: 1 + Int(Rnd * 500))      3) You will need to figure out   how to make VBA loop through the 500 cells in the range containing the   numbers. While the lectures in Unit 5 describe the Cells( ) collection of a   range object as requiring two arguments to specify a row and column (like Cells(r,   c)), you can also use a single argument (like Cells(n)) to refer to the nth   cell in a range.      4) There are a variety of ways   to approach this problem. One way is to first fill the range   sequentially with the integers   from 1 to 500. Then, you could go to each cell (one at a time), generate a   random cell number between 1 and 500 and then swap the value in the current   cell with the value that is in whatever cell number you generate randomly.   (See the next page for a detailed walk-through of this procedure using a   simplified example.).      5) Make sure the macro you   create is Public (not Private). Putting the “Go” button in your application   Once you have your VBA code working, you need to add a “Go” button to your   spreadsheet that the user can click to execute your code. I strongly recommend   that you get your code working first and then follow the instructions below   to create a Go button and connect your code to it. To create the “Go” button   first make sure you have the Developer tab available on the Ribbon in Excel.   If you don’t have a Developer tab do one of the following: In Office 2007   click the Office button, Excel Options, Popular, and click the check box for   “Show Developer tab in the Ribbon.”      In Office 2010 & 2013   click File, Options, Customize Ribbon, and check the box next to Developer in   the right-hand pane. Now, click Developer, Insert, and click the “Button”   icon beneath Form Controls, and then click and drag to draw a button control   on your spreadsheet. (Note that there is another button icon under ActiveX   Controls, but I strongly recommend using the one under Form Controls for this   exercise.) A window   should appear allowing you to   assign a (Public) macro to this button. Select your macro and click OK. If   you click your button, it should now run the macro you assigned to it.   If you right-click your button   you can edit the text that appears on the button (among other things).      Simplified Example      Suppose I have a range filled   with numbers from 1 to 15…   1 2 3 4 5 6 7 8 9 10 11 12 13   14 15