Time Period Demand
7 years ago 7
6 years ago 28
5 years ago 21
4 years ago 42
3 years ago 35
2 years ago 56
Last Year 49
What is this year's forecast using trend-adjusted (double) smoothing with alpha = .2 and beta = .1, if the forecast for last year was 56 the forecast for two years ago was 46, and the trend estimate for last year's forecast was 7?