a. Using a 3-month average, forecast the fund price for month 21 . b. Using a 3-month weighted average with the most recent month weighted 0.60, the next most recent month weighted 0.30, and the third month weighted 0.10, forecast the fund price for month 21 . c. Compute an exponentially smoothed forecast, using =.40, and forecast the fund price for month 21. d. Compare the forecasts in (a), (b), and (c), using MAD, and indicate the most accurate