Question: Please write the formulas in Excel and show the steps 5) Martin Tarpenning owns a company that manufactures portable electric heaters. Actual demand for Marc's

Please write the formulas in Excel and show the steps
5) Martin Tarpenning owns a company that manufactures portable electric heaters. Actual demand for Marc's electric heaters during each of the past four quarter are as follows: a. Plot the quarterly sales data for each year with seasons on the X axis and Demand on the Y axis. Report the type of pattern observed in the data b. Compute seasonal indices ( with no trend) using the given data. c. Forecast the Demand for each Quarter for Year 5Step by Step Solution
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