you need to determine what our monthly expenses and yearly will be, and how much they will be. Those are tabs 2 and 3 on the excel sheet
for year 1 and year 3
EX; electric bill, lights, maintenance, water bill, internet bill, trash bill. like anything you think of that any company need for monthly expenses and yearly.
will need to do research on the pricing regarding bills or even phone calls.
below i have attched an excel sheet and word document about the company