do not yse excel, please. i cannot use it and need to see the steps

1. The following data are monthly sales of jeans at a local department store. a. Forecast sales of jeans for March through June using the naive method, a two- period moving average, and exponential smoothing with an a = 0.2. (Hint: Use naive to start the exponential smoothing process.) b. Compare the forecasts using MAD and decide which is best. C. Using your method of choice, make a forecast for the month of July. tus lur once Month January February March April May June Sales 45 30 40 50 55 47