SCOPE OF WORK: The Contractor shall furnish parts, tooling, technical assistance and labor to overhaul and/or exchange airframe components, avionics and accessories, plus related services as further described for the aforementioned Helicopters. Pricing of parts shall be quoted as a percentage off discount to be applied against the manufacturer's current published price list. Percentage discounts quoted shall be firm and fixed for the duration of the contract including any renewal period(s). The City reserves the right to request copies of any manufacturer’s current price list. Access to all applicable parts price lists should be submitted with response, to include web site addresses and / or access information. Increased prices on new price lists shall not be retroactive and must be submitted in writing, along with justification, to Purchasing Office for prior approval.