I have a master.csv (source) and myrpt.xls (destination)file, I need to match
the acct#.
1) if acct# match update the amount (total column)
2) if acct# don't match insert new data (Account, State & Total) from master
to myrpt to next blank row.

Master.csv
A B D E F
ACCOUNT State PAST_60 PAST_90 TOTAL
11-12792 CA 225.15 886.44 1,111.59
11-25851 ME 591.94 130.80 722.74
11-32239 AZ - 2,676.00 2,676.00
11-34849 AR 1,350.00 900.00 2,250.00
11-35239 ID 135.67 134.42 270.09
11-40015 CO 106.75 353.74 460.49


myrpt.xls (sheet1)
A B C
ACCOUNT State TOTAL
11-25851 ME 650.74
11-35239 ID 150.00

Thank you in advance.