National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows:
Month/Sales (000 unites)
Feb/20
Mar/23
April/7
May/25
June/18
July/28
Aug/30
Forecast September sales volume using each of the following:
1) linear trend equation
2) Exponential smoothing with a smoothing constant equal to .20, assuming a March forecast of 18(000). (Round your intermediate forecast values and final answer to 2 decimal places)