Fuel Escalation.
Tenant agrees to pay a sum equal to Six and Eight- --------------- Tenths (6.8%) Percent per annum of the increased difference of the cost of fuel oil (including sales or other taxes thereon) for as many gallons supplied to the Building, of which the demised premises form a part, as compared to the cost of sixty ($.60) cents per gallon. Payment to Owner shall be due and payable as and when bills are rendered and shall be deemed additional rent and collectible as such. Bills to be rendered for periods are at Owner's discretion. In the event Owner, at its option, elects to change the fuel presently used for the Building to any other type of fuel, then and in that event, the Tenant agrees to pay a share equal to Six and Eight-Tenths (6.8%) Percent per annum of the increased cost of such other fuel supplied to the Building for the term of the within lease based upon the cost of sixty ($.60) cents per gallon. Payment to Owner shall be due and payable as and when bills are rendered accompanied by evidence that the fuel bills have been paid by Owner and shall be deemed additional rent and collectible as such.
