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Forecasts and actual sales of digital music players at Just Say Music are as follows: Answer the following questions using the Moving Average Excel template: a. Choose the correct graph for the forecasts and actual sales of MP3 players at Just Say Music. The correct graph is 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-perlod 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 intermedlate calculations. Round your answers to two decimal places