c.) Using a method of trend projection, the forecast for next month (Jan) is sales (round your response to two decimal places).

d.) The method that can be used for making a forecast for the month of March is

The monthly sales for Yazici Batteries, Inc., were as follows: Month Sales Jan 21 Feb Mar Apr May Jun 20 17 12 13 18 Jul 15 Aug Sept Oct Nov Dec 17 19 20 21 22 This exercise contains only parts b and C. b) The forecast for the next month (Jan) using the naive method = 22 sales (round your response to a whole number). The forecast for the next period (Jan) using a 3-month moving average approach = 21 sales (round your response to two decimal places). The forecast for the next period (Jan) using a 6-month weighted average with weights of 0.10, 0.10, 0.10, 0.20, 0.20, and 0.30, where the heaviest weights are applied to the most recent month sales (round your response to one decimal place)