Please help me answer Part C. Thanks!

This exercise contains only parts b and c. b) Forecast January sales using each of the following methods. i) Compute the January sales forecast using naive method. The January sales forecast using the naive method = sales. (Enter your response as a whole number.) ii) Compute the January sales forecast using a 3-month moving average. The January sales forecast using a 3-month moving average approach = sales. (Round your response to two decimal places.) iii) Compute the January sales forecast using a 3-month weighted average with weights of 0.10,0.30, and 0.60 with the heaviest weights applied to the most recent months. The January sales forecast using a 3-month weighted average = sales. (Round your response to two decimal places.) iv) Compute the January sales forecast using exponential smoothing with =0.40 and a starting forecast for September being 21 . The January sales forecast using exponential smoothing = sales. (Round your response to two decimal places.) v) Compute the January sales forecast using a trend projection. Using a method of trend projection, the forecast for January sales = 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