Question: just need question C and D. please do not copy what the other chegg answers have put for these questions. 1. Ms. Winnie Lin's company

just need question C and D. please do not copy what the other chegg answers have put for these questions.

1. Ms. Winnie Lin's company sells computers. The monthly sales for a six-month period are as follows: MONTH SALES Jan Feb Mar Apr May Jun 18,000 22,000 16,000 18,000 20,000 24,000 b. Compute the sales forecast for July using the following approaches: (1) a three- month moving average; (2) a weighted three-month moving average using 0.50 for June, 0.30 for May, and 0.20 for April; (3) a linear trend equation; and (4) exponen- tial smoothing with a (smoothing constant) equal to 0.40, assuming a February forecast of 18,000. c Which method do you think is the least appropriate? Why? d. Calculate the MAD for each of the four techniques in part b. Which is the best? Why

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