The monthly sales for Yazici Batteries, Inc, were as follows: This exercise contains only parts b and c. b) The forecast for the next month (Jan) using the naive method =22 salos (round your response to a whole number). The forecast for the next period (Jan) using a 3-month moving average approach =22 sales (round your response fo two decimal places). The forecast for the noxt period (Jan) using a 6-month weighted average with weights ot 0.10,0.10,0.10,0.20,0.20, and 0.30 , whore the heaviest weights are appliod to the most recent month =20.5 sales (round your response to one decimal place). Using exponential smoothing with =0.40 and a September foreqast of 20.00 , the forecast for the noxt period (Jan) =21.6 sales (round your response fo wo decimal places) Using a method of trend projection, the forocast for the next month (Jan) = sales (round your response to two decimal piaces)