XYZ Development, Inc. leases commercial space to businesses. Most of the leases are long-term, from five to fifteen years in length and have fixed rents. XYZ's contracts contain a clause in which both parties agree to annual adjustments of rent based on tax increases and other operating costs. If the previous year did not see more than a five percent increase in these costs, there is no change in the rent. What is the clause?A. Allowable Vacancy Rate ClauseB. Escalator ClauseC. Operating Costs Adjustment ClauseD. Periodic Tenancy Clause