Forecasts and actual sales of digital music players at Just Say Music are as follows: b. What is the forecast for November, using a two-period moving average? Round your answer to two decimal places. c. What is the forecast for November, using a three-period moving average? Round your answer to two decimal places. d. Compute MSE for the two- and three-period moving average models and compare your results. Do not round intermediate calculations. Round your answers to two decimal places. The moving average is a better model