how to solve this question using excel? A,B,C

Question 1: The revenue (in E) from newspaper sales at a new service station for the morning, afternoon and evening periods of the rst three days of operation are: mm ___ ___ __ a. Construct a time series chart; plot the dots according to time and connect them with lines b. Calculate three-point moving averages for the series and plot them on the chart. c. Applying the additive decomposition model, determine the recurring components for each part of the day [Mean Seasonal Deviation] and adjust them so that the sum is zero. d. Calculate the mean squared deviation (MSD) for the model. e. Using additive decomposition modal generate forecast for day 4