Thanks John for breaking down your lectures to everyone’s understanding. Please I’lld like to ask how we got the 2/3 and the 1/3 that was used to multiply the total material usage of 15200 in the mix variance. Thanks in advance for your response.

On the standard cost card printed in the lecture notes, the total input for 1 unit is 3kg of which 2 kg (i.e. 2/3) are Material X and 1 kg (i.e. 1/3) are Material Y

Sir, you say that when analysing the toal yield variance between the different materials, they will always both be favourable or adverse. However, in the example, the yield variance is not in the same proportions as the standard mix. Therefore, theoretically, this could provide a result where although the total yield variance is either A/F, the indivudual variances could be both A and F? How can we ignore the effect of the yield variance on the mix variance?

No – the yield variances must all be favourable or must all be adverse. Given that we are using standard mix for both the actual total usage and the standard total usage it cannot possibly be otherwise. There is nothing theoretical about it! 馃檪

Just simple enough to be easy understand, Thanks John. I just got confused in one point in the yield variance section; why we did use 10,133kg X & 5,067kg Y rather than 9,900kg X & 5,300kg Y at the actual total input as these are actually our inputs. I will leave it here and also will drop it in ask tutor forum. Appreciate your advice John.

Thanks John. The difference between the mix and yield variances gives the material usage variance. The mix variance shows the effect of changing the proportion of the mix of material input and the yield shows the difference between the actual and expected yield or output.

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mo55 says

Thanks John for breaking down your lectures to everyone’s understanding.

Please I’lld like to ask how we got the 2/3 and the 1/3 that was used to multiply the total material usage of 15200 in the mix variance.

Thanks in advance for your response.

John Moffat says

On the standard cost card printed in the lecture notes, the total input for 1 unit is 3kg of which 2 kg (i.e. 2/3) are Material X and 1 kg (i.e. 1/3) are Material Y

mo55 says

Wow! I now understand it.

Thanks again John, u are the best:)

John Moffat says

You are welcome 馃檪

haddock says

Sir, you say that when analysing the toal yield variance between the different materials, they will always both be favourable or adverse. However, in the example, the yield variance is not in the same proportions as the standard mix. Therefore, theoretically, this could provide a result where although the total yield variance is either A/F, the indivudual variances could be both A and F? How can we ignore the effect of the yield variance on the mix variance?

John Moffat says

No – the yield variances must all be favourable or must all be adverse. Given that we are using standard mix for both the actual total usage and the standard total usage it cannot possibly be otherwise. There is nothing theoretical about it! 馃檪

marblserockin says

I love your lectures, thank you so much for making it seem so easy. and for the last part too

a7mdsuliman says

Just simple enough to be easy understand, Thanks John.

I just got confused in one point in the yield variance section; why we did use 10,133kg X & 5,067kg Y rather than 9,900kg X & 5,300kg Y at the actual total input as these are actually our inputs.

I will leave it here and also will drop it in ask tutor forum.

Appreciate your advice John.

John Moffat says

We use the actual total input at standard mix, so that all we are measuring is the yield variance (the mix variance was dealt with separately).

alie2018 says

Thanks John. The difference between the mix and yield variances gives the material usage variance. The mix variance shows the effect of changing the proportion of the mix of material input and the yield shows the difference between the actual and expected yield or output.

danielmnkandu says

very helpful. thank you

John Moffat says

Thank you for your comment 馃檪

accakeisha says

Just Brilliant!!in a nutshell

John Moffat says

Thank you for your comment 馃檪