The last four weekly values of sales were 80, 100, 105, and 90 units. The last four forecasts (for the same four weeks) were 60, 80, 95, and 75 units. Calculate MAD, MSE, and MAPE for these four weeks.
Definitions:
Double-declining-balance
An accelerated depreciation method that calculates depreciation at twice the rate of the straight-line method.
Salvage Value
The assessed end-of-life residual value of an asset at the point of its usefulness completion.
Book Value
Book Value is the value of an asset according to its balance sheet account balance, taking into account the cost of the asset less any depreciation, amortization, or impairment costs.
Plant Assets
Long-term tangible assets used in the production and distribution of goods and services, such as buildings and machinery.
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