Forecasts and actual sales of digital music players at Just Say Music are as follows:

Month	Forecast	Actual Sales
March	180	170
April	216	229
May	207	190
June	260	241
July	264	249
August	260	220
September	260	240
October	254	160

A. What is the forecast for November, using a two-period moving average? Round your answer to two decimal places._______

B. What is the forecast for November, using a three-period moving average? Round your answer to two decimal places._______

C. 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.

	2-period MA	3-period MA
MSE