The Universal Computer Company wants to forecast the monthly sales of their newly introduced tablet computer using the following historical sales data: Month Sales (units) 1 8,000 2 10,000 3 12,500 4 11,000 5 10,500 6 7 11,500 11,000 Use the 3-month weighted moving-average method to calculate the forecast for month 8 using weights of 0.50, 0.30, and 0.20, where 0.50 refers to the weight for the most recent demand.