One line of code is missing (marked in red). Write a single line that MUST use the
class function "plus" to increase the value
of num1.number.
When done correctly, this code already will
print the new value of num1.number.

The file sales data.xlsx contains monthly sales amounts for 40 sales regions. write a sub that uses a for loop to color the interior of every other row (rows 3, 5, etc.) gray. color only the data area, columns a to m. (check the file colors in excel.xlsm to find a nice color of gray.)

How to do this programming flowchart?

Companies that implement and apply an information system effectively can create