12 11 National Scan, Inc., sells radio frequency Inventory tags. Monthly sales for a seven-month period were as follows: Sales Month (000)Units Feb. 20 Mar 23 Apr. 7 May. 25 Jun. Jul 28 -Book Aug 30 HH Pro Click here for the Excel Data File a. Forecast September sales volume using each of the following The naive approach Naive approach thousands (2) A five-month moving average. (Round your answer to 2 decimal places.) Moving average thousands A weighted average using 0.60 for August 0.20 for July, and 0.20 for June. (Round your answer to 2 decimal places) Wighted average housands eBook (3) A weighted average using 0.60 for August. 0.20 for July, and 0.20 for June. (Round your answer to 2 decimal places.) Weighted average thousands Prive (4) Exponential smoothing with a smoothing constant equal to 0.20, assuming a March forecast of 18,000). (Round your Intermediate forecast values and final answer to 2 decimal places.) Deferences Forecast thousands (5) A linear trend equation (Round your Intermediate calculations and final answer to 2 decimal places.) thousands