The apparent magnitude of a star is the brightness of a star
a. compared to our sun
b. as seen through the earth’s atmosphere
c. as seen from the earth without the effect of the atmosphere
d. as seen from the earth through the most powerful telescopes

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.)