solve all parts please

2. A company records reported below indicate monthly sales data for the Company. Use the below mentioned techniques to help the administration: a) 2-month and 4-month moving average. Briefly explain. (Points 15) b) Exponential smoothing with smoothing constant 0.2 and 0.4 as well as forecast value 4(000, units) for the first period. Briefly explain. (Points 10) c) Use RMSE model and decide which technique (simple moving average or exponential smoothing) is better? Briefly explain. (Points 15) d) Plot the monthly data, moving averages and exponential smoothing estimates on a line graph. Briefly explain the pattern. (Points 10) Notes: 1) You are advised to use word program for the quizzes assigned. 2) If not, pages should be clearly written and numbered. 3) Your quiz will not be accepted without cover page. 4) Calculations with no explanations are not acceptable. 5) Identical papers will be penalized with null grade at the first attempt