ir/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 Costs 26. Eagle Service Plan 27. Excise Tax/Customs Issues 28. Reenstra Copy of Check for Reimbursements 29. Clo