A manager has been using a certain forecasting technique to forecast demand for word processing units for the past ten periods. Actual and forecasted amounts are shown below. He had difficulties in identifying whether this technique is better than the second moving average. The best forecasting technique is Period 1 2 3 HNM4 Demand 90 85 91 92 Forecasted 95 88 93 67 O both of the two technique O the MA-2 technique O none of the two technique the manager's forecasting technique