Study the information provided below and answer the following questions.

The Table below shows the number of Cinco 160W solar panels sold monthly by Mfeka Enterprises during the 2022 financial year.

Table: Monthly Sales Data of Solar Panels

Monthly sales (units)

Jan Feb Mar Apr May Jun Jul 238 220 195 245 345 380 270

Aug Sep Oct

220 280 120

Nov Dec

110 85

Based on the number of the solar panels sold over the 12 months shown above, compute the following:

5.1. The three-month moving average forecasts for the April December 2022 period (Show all calculations).

5.2. The four-month moving average forecasts for the May December 2022 period (Show all calculations).

5.3. By calculating the mean absolute percentage errors (MAPE) of the three-month moving average

forecasts and the four-month moving average forecasts, comment of the comparative forecasting accuracies of the two

moving average methods (Show all calculations)