(SHOW YOUR COMPLETE WORK) Two independent forecasting methods 1 and 2 have been used each week for the past ten weeks. The actual demand and demand forecasts from these two methods are shown below.

WEEK	ACTUAL DEMAND (in units)	DEMAND FORECASTS (in units)
		Method 1	Method 2
Ten weeks ago	160	157	158
Nine weeks ago	155	155	156
Eight weeks ago	156	157	152
Seven weeks ago	158	156	157
Six weeks ago	154	153	155
Five weeks ago	152	154	154
Four weeks ago	153	156	156
Three weeks ago	156	155	154
Two weeks ago	154	156	154
One week ago	155	157	156

Calculate the Mean Absolute Deviation (MAD) measures for forecasting methods 1 and 2. Which forecasting method is better based on MAD? [14 points]

Calculate the Mean Squared Error (MSE) measures for forecasting methods 1 and 2. Which forecasting method is better based on MSE? [14 points]

Calculate the Mean Absolute Percent Error (MAPE) measures for forecasting methods 1 and 2. Which forecasting method is better based on MAPE? [35 points]

Use the appropriate label/unit of measurement in your answers. Leave the numbers in decimal and go up to 5 decimal places for higher accuracy.