6) Use exponential smoothing with trend adjustment to forecast deliveries for period 10. Let alpha = 0.4, beta = 0.2, and let the initial trend value be 4 and the initial forecast be 200. Actual Period Demand 1 200 2 212 3 214 4 222 5 236 6 221 7 240 8 244 9 250 10 10 266