A manager of a store that sells and installs spas wants to
prepare a forecast for January, February, and March of next year.
Her forecasts are a combination of trend and seasonality. She uses
the following equation to estimate the trend component of monthly
demand: Ft = 80 + 3t, where t
= 0 in June of last year. Seasonal relatives are .87 for January,
1.05 for February, and 1.05 for March. What demands should she
predict? (Round your answers to 2 decimal
places.)
Month | Forecast |
January of the next year | |
February of the next year | |
March of the next year |
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