Bill Has a Bicycle Repair Shop in His Basement

Bill has a bicycle repair shop in his basement. He would like a larger workshop so he investigates taking out a loan to sanvert his garage to a workshop. He uses Excel to create an amortization schedule. After Bill creates the amortization schedule, he decides to add a calculator section to the worksheet. How would he create a salumn border to separate the calculator from the amortization schedule section?

A) add two different background salors to the edge of each section salumn
B) add two different background salors to the edge of each section row
C) reduce the height of an adjacent empty row
D) reduce the width of the adjacent empty salumns