Test whether all of the vendors that were used on the POs were from the authorized vendor list (the authorized vendor list is on spreadsheet 2 titled AnyCO-Vendors. Hint: use VLOOKUP on vendor number to the vendor table and return the vendor name: example formula: =VLOOKUP(F2,'AnyCO-Vendors'!$1:$1048576,2,FALSE), search for N/A. Were any POs issued to vendors not on the vendor master list? If so how many and what are the potential problems