The monthly electricity bill at the Chez Paul Restaurant over the past 12
months has been as follows:
Month Amount (Sh.)
December
January
February
March
April
May
June
30,660
27,190
30,570
30,640
29,730
31,530
29,720

July
August
September
October
November
33,070
30,010
27,550
30,130
27,940
Paul is considering using exponential smoothing with 0.5 to forecast future electricity
sales.
Required:
Determine next January’s forecast.