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Problem 3 A candy production company makes chocolate boxes for which the demand is uncertain. Quarterly demand (in boxes of chocolate) for the last 3 years are as follows: a. Plot the demand data. Does the data appear to be seasonal and have upward or downward trend? b. Compute the quarterly seasonal indices using the simple average method. c. De-seasonalize the demand data. d. Develop a linear trend equation using the de-seasonalized demand. c. Develop a trend forecast for quarters 1 to 4 of year 4 . f. Develop a seasonalized forecast for quarters 1 to 4 of year 4