Create a macro that formats pre$-$selected cell range to this:

italics

red font

centered

numbers have two digits after decimal

first row has heavy bottom border with bold text

B$.$ Add a form control button that makes it easy to run the macro.

C$.$ Also make the macro run if Ctrl$-$G is pressed.

D$.$ Make the macro display a message box showing the average of all the numbers in the selection.