Hi please help me answer A and B with formulas and work shown. Thank you!!

Part A Forecasting (10 Points) Background: Your company has done well for four straight years staring in 2017. ABC Corporation, launched a new sophisticated data collection device using unique, patented, semiconductors chips, supplied from China. As sales grew, ABC added the necessary manpower to keep pace with demand. The data is summarized below: To be done using Excel a. Given the data given above, develop a forecast for variable A and B using the exponential smoothing with an alpha value of 0.5 . What is the forecasted value of 2021(A) ? Please round to a whole number. No decimals required. b. Using the same method, but with an alpha value of 0.2 , forecast the anticipated manpower. What is the forecasted value of 2021 (M1) ? 2022 Please round to a whole number. No decimals required. c. On your spreadsheet, calculate the % change for each variable