Actual Sales for January Through April Are Shown Below $\alpha$ = 02 to Calculate Smoothed Averages and Forecast Sales for May

Essay

Actual sales for January through April are shown below.
Use exponential smoothing with $\alpha$ = 0.2 to calculate smoothed averages and forecast sales for May from the above data. Assume the forecast for the initial period (January) is 18. Show all of your computations.