For the data in exercise, update the fast-food restaurant forecast if a trend value of 1.4 was calculated for the previous week. Use a β of 0.3 to update the trend for this week, and determine the forecast for next Wednesday using exponential smoothing with trend adjustment.
exercise:-
During the noon hour this past Wednesday at a fast-food restaurant, 72 hamburgers were sold. The smoothed value calculated the week before was 67. Update the forecast for next Wednesday using simple exponential smoothing and an of 
0.1.