National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows: Month Feb. Mar. Apr. May. Jun. Jul. Aug. Sales (000) Units 20 20 7 22 18 24 30 a. Forecast September sales volume using each of the following: (1) The naive approach. Naive approach Exponential smoothing with a smoothing constant equal to 0.20, assuming a March forecast of 14(000). (Round your intermediate forecast values and final answer to 2 decimal places.) Forecast thousands A linear trend equation. (Round your intermediate calculations and final answer to 2 decimal places.) Yt thousands