2- The monthly sales for Yazici Batteries, Inc., were as a) Plot the monthly sales data. b) Forecast January sales using each of the following: i) Naive method. ii) A 3-month moving average. iii) A 6-month weighted average using .1, .1,.1, .2, .2, and .3, with the heaviest weights applied to the most recent months. iv) Exponential smoothing using an a=.3 and a September forecast of 18