2) The data below consist of the closing price of the common stock of the American Telephone and Telegraph Corporation on some recent Fridays. Common stock prices are quoted in eights of a dollar (1/8=$.125) a. Using a five-period moving average, forecast the price of the stock for period 9. b. In period 9, the actual price was $24.125. What is the error of the forecast? c. Using a five-period moving average, forecast the price of the stock for period 10