Answer question C ONLY

Sales of tablet computers at Ted Glickman's electronics store in Washington DC over the past 10 weeks are shown in the table below. Week 1 2 3 4 5 6 7 8 9 10 Demand 19 23 27 36 25 28 37 24 25 28 a) The forecast for weeks 2 through 10 using exponential smoothing with a = 0.55 and a week 1 initial forecast of 19 0 are (round your responses to no decimal place Week 1 2 3 4 5 6 7 9 10 Demand 19 23 27 36 25 28 37 24 25 28 Forecast 19.0 19.00 2120 24 39 30 77 27 60 27 82 32 87 2799 26 35 nt esi b) For the forecast developed using exponential smoothing (a=0.55 and initial forecast 190), the MAD = 503 sales fround your response to two decimal places) c) For the forecast developed using exponential smoothing (a = 0.55 and initial forecast 190), the tracking signal round your response to two decim/places)