QUESTION 3 An exponential smoothing forecast model is being used to forecast weekly demand at a sign-making shop. An alpha of 0.4 is being used. If the forecast for week 45 was 36 orders and actual demand turned out to be 32 orders, what will the forecast for week 46 be? O a. 32.4 O b.33.6 O C.34.4 O d. 35.2 O e 36.2 QUESTION 4 The owner of the Crossed Connections electronic appliance repair shop is enjoying increasing demand for her services. Total weekly demand, measured in standard labour hours, has been increasing. The owner uses trend-adjusted exponential smoothing to make forecasts for the following week so that she can plan work schedules and staffing levels. She has the following data to prepare her forecast: At-1 = 120 hours Tt-1 = 20 hours a= 0.40 b= 0.20 Assuming she is now at the end of weekt, in which demand was 142 hours (Dt = 142). What is the forecast for week t + 1? O a. 161 O b. 163 O c. 165 O d. 166 O e. 168