In this question, I need help on part D and E...

Problem 3-2 (Algo)

National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows:

Month	Sales (000)Units
Feb.	17
Mar.	20
Apr.	14
May.	22
Jun.	21
Jul.	25
Aug.	29

1). Forecast September sales volume using each of the following:

(A) The naive approach : 29 thousands

(B) A five-month moving average. (Round your answer to 2 decimal places.) : 22.20 thousands

(C) A weighted average using 0.55 for August, 0.20 for July, and 0.25 for June. (Round your answer to 2 decimal places.) : 26.20 thousands

(D) Exponential smoothing with a smoothing constant equal to 0.10, assuming a March forecast of 15(000). (Round your intermediate forecast values and final answer to 2 decimal places.)

forecast = (E) A linear trend equation. (Round your intermediate calculations and final answer to 2 decimal places.)

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