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# Problem 3-10 A manager of a store that sells and installs spas wants to prepare a forecast for January, February, and March of next year. Her...

Problem 3-10A 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 = 78 + 3t, where t = 0 in June of last year. Seasonal relatives are 1.18 for January, 1.10 for February, and 1.03 for March. What demands should she predict? (Round your answers to 2 decimal places.)