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i. The moving average method averages out cyclical (C) and irregular (I) components. ii. To apply the moving average method to a time series, the data should follow a linear trend and have a definite rhythmic pattern of fluctuations that repeat (say, every three years) .
iii. Sales, production and other economic and business series usually have periods of oscillation that are of equal length or identical amplitudes.
Marginal Costs
The added cost of producing one additional unit of a product or service.
Indifferent
A state of having no preference between two or more options, showing neither favor nor disfavor.
Variable Costs
Costs that vary directly with the level of production or sales volume.
Average Costs
The total costs (fixed and variable) of production divided by the total quantity of output, indicating the cost of producing each unit.
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