National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as Sales Month Apr. b. Forecast September sales Wume using each of the following: (1) A ineartrendequation thousands (2) A five-month moving average. Moving average thousands (3) Exponential smoothireyguymoothing constant equal to .10. assuming a March forecast of 14(000)_ Forecast (4) The naive approach. Naive approach (5) A weighted average using 70 for Weighted average thousands ustr .10 for July, and .20 for June thousands