PM Mix and Yield variances

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March 7, 2022 at 9:39 pm #650130
gavilan.venter@gmail.com
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Hi John,
Not sure is I just missed something, but;
When doing the yield variance, in the first column, the section for actual total input at std mix why did we use quantities of what the mix should have and not the units of what the mix actually was (10133 vs 9900 and 5067 vs 5300)?
March 8, 2022 at 8:50 am #650179
John Moffat
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The purpose of the exercise is to separate out the effect of changing the mix and the effect of using more or less material in total.

We look at the effect of changing the mix separately when we calculate the mix variance.
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