Using exponential smoothing with = 0.30 and a September forecast of 20.00 the forecast for the next period (Jan) = nothing sales (round your response to two decimal places).

U Jan Feb Jul Noy Dec Oct 21 15 12 13 18 17 18 20 20 22 The monthly sales for Yazici Batteries, Inc., were as follows: Month Mar Apr May Jun Aug Sept Sales 20 20 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 = 20.00 sales (round your response to one decimal place)