Forecast September sales volume using each of the following:

(1) The naive approach.

(2) A five-month moving average.

(3) A weighted average using 0.60 for August, 0.20 for July, and 0.20 for June.

(4) Exponential smoothing with a smoothing constant equal to 0.20, assuming a March forecast of 18(000). (

National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows: MonthFeb.Mar.Apr.MayJun.Jul.Aug.Sales(000)Units2023725182830