Bill of Sale 15. Acquisition Service Fee 16. Insurance 17. 5-76 Post Contract Issues Regarding Inspection and Needed Repair/Comparable Sales 18. Zeff Design Contract 19. Zeff Weekly Reports 20. Discrepancies 21. Keystone Invoices 22. ASG Invoices 23. Avionics 24. Bi-Filar 25. Reenstra Reimbursement/S-76 Cos