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?