Only need the last 3 problems

The monthly sales for Yazici Batteries, Inc. were as follows Month Sales Jan 19 Feb 21 Mai 15 Apr May Jun 14 13 16 Jul 17 Aug Sep Oct Nov Dec 17 22 22 21 23 This exercise contains only parts and a b) The forecast for the next month (Jan) using the naive method = 23 sales round your response to a whole mamber) The forecast for the next period (Jan) using a 3-month moving average approach = 22.00 sales (round your response to two decrenal places) The forecast for the next peryod (Jan) using a 6 month weighted averope with weights of 0.10,0 10,0 10,0 20,0 20, and 0 30, where the heaviest woights are applied to the most recent month = 21.1 sales (round your response to do document place) Using exponential smoothing with 0.10 and a Septomber forecast of 18.00, the forecast for the next period (Jan) - Isaben cround your response to mochimar places) Using a method of trend projection, the forecast for the next month on-sales (round your response to two decimal places c) The method that can be used for making a forecast for the month of March is 3 month moving average 6-month weighted moving average exponential smoothing the naive method a trend projection