80 year old Excel LOSER. Doing OK till yesterday but SUMIF driving me crazy. NEED HELP!! Only just now taking up Excel which I think I can do. However a SUMIF formula is got me. I was doing it OK but somehow late yesterday and today I can not make the formula work on one problem. I have no idea what is wrong and Excel internal help is trying to confuse me more. So here I am hoping this will get me going again.
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