Based on the data given, period 1 actual demand is 23, forecast is 32, period 2 actual demand is 31, forecast is 28, period 3 actual demand is 19, forecast is 25 and period 4 actual demand is 27, forecast is 26. Calculate the mean squared error, rounded to one decimal place.The past three weeks, ATCO Gravel hauled the following number of loads of gravel to customer sites. Week 1 98, Week 2 105, Week 3 114. Week 4 133. If they are using a two period Simple moving average forecast model, what would be the number of loads to forecast for week five, rounded to the nearest whole number