Refer to the beer production forecasts, Exercise 14.25. In part b you obtained forecasts of 2014 and 2015 craft beer production using Holt's method with (w = .3, v = .7) and (w = .7, v = .3).

a. Calculate the forecast errors for the w = .3, v = .7 Holt forecasts.

b. Calculate the forecast errors for the w = .7, v = .3 Holt forecasts.

c. Calculate MAD, MAPE, and RMSE for the w = .3, v = .7 Holt forecasts.

d. Calculate MAD, MAPE, and RMSE for the w = .7, v = .3 Holt forecasts.

e. Refer to parts c and d. Which forecast method do you recommend?