Data collected on the yearly demand for coffee bags at Cape Town Co. are shown in the following table below a. Plot the time series of the demand. b. Develop a monthly forecast of sales using nave method c. Develop a 4-quarter MA to quarterly sales of Cape Town Co. d. Develop a trend line and then quarterly sales Cape Town Co. e. Apply Seasonal variations (Model 6) technique to calculate the seasonal indexes and quarterly sales in Year 5 of Cape Town Co. f. Compare and discuss about the results in part (b), (c), (d) and (e) Quarter 1 2 3 4 Year 1 218 247 243 292 Year 2 225 254 255 299 Year 3 234 265 264 327 Year 4 250 283 289 356