OK, may be I change to another spreadsheet, I wish it will be ok this time!
Thanks,
Wilchong




T. Valko wrote:
The formula works properly when I try it. (after making that change I
mentioned.)

Dear Valko,
Yes, you are right, I already tried that. But the result turns out the
[quoted text clipped - 26 lines]
Thanks for your advice,
Wilchong

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