Bruce is a street vendor selling T-shirts in New York city. His sales in past ten weeks are listed as below. Weeks Sales 1 33 2 31 3 31 4 37 5 40 6 33 7 50 8 45 9 55 10 60 Bruce wants to prepare for future sales. Please make forecast, based on historical data, for sales in week 11 and 12, using the following methods: moving average (3), exponential smoothing (0.4), simple linear regression. Which forecasting method is the best based on MSE