A$.)$ Compute the $4-$period simple moving average forecasts.$$ Compute the MAD and MSE for the $4-$period simple moving average. Please show calculations.

B$.)$ Compute the $3-$period weighted moving average forecasts using the$$ weights$=0\mathrm{.}1,0\mathrm{.}6,$ and $0\mathrm{.}3.$ Compute the MAD and MSE for the $3-$period weighted moving average. Please show calculations

C$.)$ Compute the exponential smoothing forecasts using alpha$=0\mathrm{.}12.$ Compute the MAD and MSE for the exponential smoothing forecasts. Please show calculations

D$.)$ Calculate the regression line.$$ Compute the MAD and$$ MSE for the regression line. Please show calculations

E$.)$ Use your results for A$.)-$D$.)$ to determine which forecast is best.$$ Explain your results. Please show calculations