Problem 3-10 (Algo) After plotting demand for four periods, an emergency room manager has concluded that a trend-adjusted exponential smoothing model is appropriate to predict future demand. The initial estimate of trend is based on the net change of 19 for the three periods from 1 to 4, for an average of +6.33 units. Period 1 2 3 4 5 Actual 208 227 222 227 247 Period Actual 6 257 7 272 282 287 10 Click here for the Excel Data File Use a=0.50 and B=0.10, and TAF of 255 for period 5. Obtain forecasts for periods 6 through 10. (Round your intermediate calculations and final answers to 2 decimal places.) TAFt t Period 6 7 8 9 10