0 National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows Sales Feb. 14 Apr. 20 25 Click here for the Excel Data File a. Forecast September sales volume using each of the following The naive approach thousands (2) A five-month moving average. (Round your answer to 2 decimal places) Moving everage thousands (3) A weighted average using 0.60 for August 0.15 for July, and 0.25 for June (Round your answer to 2 decimal places.) thousands (4) Exponential smoothing with a smoothing constant equal to 015, assuming a March forecast of 15000) Round your intermediate forecast values and final answer to 2 decimal places) force thousands (5) A linear trend equation (Round your intermediate calculations and final answer to 2 decimal places) thousands