(Solved): A manager of a store that selis and installs spas wants to prepare a forecast for January, February ...
A manager of a store that selis 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: \( F_{t}=50+5 t \), where \( f=0 \) in June of last year. Seasonal relatives are 95 for January, \( 1.01 \) for February, and \( 1.03 \) for March. What demands should she predict? (Round your answers to 2 decimal places.)