9 10 Sales of tablet computers at Ted Glickman's electronics store in Washington, D.C., over the past 10 weeks are shown in the table below: Week 1 2 3 4 21 29 37 26 29 35 20 26 30 Demand 20 9 10 a) The forecast for weeks 2 through 10 using exponential smoothing with a = 0.60 and a week 1 initial forecast of 20.0 are (round your responses to two decimal places): 8 Week 1 2 3 4 5 29 37 26 35 20 21 26 30 Demand 20 Forecast 20.0 21 21.6