In the table, the projected expense reimbursement is different for Bank, Law firm, and Brokerage over the years. Please explain the reason behind this difference.

Expense stops - Expense stops place an upper limit on the amount of operating expenses. - Expense stops protect the owner from increases in operating expenses. - Tenants should pay the operating expenses that are in excess of the expense stop. - bank: 70,000 sqft; - law firm: 10,000 sqft; and - mortgage broker: 16,000 sqft