National Scan, Inc, sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows: b. Forecast September sales volume using each of the following: (1) A linear trend equation (Round your intermediate calculations and final answer to 2 decimal places.) Yt thousands (2) A five-month moving average: (Round your answer to 2 decimal places.) Moving average thousands (3) Exponential smoothing with a smoothing constant equal to 15, assuming a March forecast of 16(000). (Round your intermediat b. Forecast September sales volume using each of the following: (1) A linear trend equation.(Round your intermediate calculations and final answer to 2 decimal places.) Yt thousands (2) A five-month moving average. (Round your onswer to 2 decimal places.) Moving average thousands: (3) Exponential smoothing with a smoothing constant equal to 15 , assuming a March forecast of 16(000) ). (Round your intermediate forecost values and final answer to 2 decimol places) Forecast thousands (4) The naive approach. Naive approach thousands (5) A welghted overage using 65 for August, 15 for Juty, and 20 for June, (Round your answer to 2 decimal pleces.) Weighted average thousands