How to work out opening balance?
2 answers:
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Answer: Economies of Scale
Explanation:
Economies of scale refers to the tendency of costs to reduce per unit as the number of units produced increases. This is because the producer is able to share the costs amongst all the units produced.
George was getting those ingredients to make a single burger so the produce he used were small in quantity and cost him more. The companies that make sandwiches in large numbers buy and produce the ingredients in bulk which reduces their prices.
For example, George went to Minneapolis to get salt for one burger, those companies would go and get salt for 10,000 burgers at the same time which would reduce the cost by dividing it across the 10,000 burgers.
This cost saving from economies of scale enables the local deli to sell products at a cheaper rate than if we had to make them ourselves.
Answer:
MAD: 10.04, 11.53
MAPSE: 10% , 12%
MSE : 146.33, 178.72
Bias : -0.56 , -0.96
3-week moving average method is better
Explanation:
i ) Evaluate MAD ( average of absolute errors )
using 3 week moving average
= 10.04
using simple exponential smoothing
= 11.53
ii) MAPSE ( average of absolute percentage error )
using 3 week moving average
= 10%
using simple exponential smoothing
= 12%
iii) MSE ( average of Squared Errors )
3 week MV = 146.33 , Simple exponential smoothing = 178.72.
iv) Bias
3 week MV = -5/9 = -0.56, Simple exponential smoothing = -8.69/9 = -0.96.
v) TS ( Total error / MAD )
3 week MV = -5 / 10.04 = -0.49 ,
simple exponential smoothing = -8.69 / 11.53 = -0.75
b) I prefer 3-week moving average based on the values of MAD , MAPE, MSE, bias and TS which shows that there is a better estimate when using the 3 -weeks moving average.
Attached below is the Tabular calculations of the required parameters for the question
