If the actual sales for the month of January is 18, and actual sales for February is 17. If you are given the forecast of January to be 20.0, find the Forecast for March Sales using the exponential smoothing method. The exponential smoothing coefficient, a=0.3. (2) 4 Select one: O a. 194 Ob 20.6 OC 19.7 Od 17.3 O e 18.7