Please answer questionsA and Bbased on the following Best Subsets Regression.

Best Subsets Regression:Dependent variable Salesversus independent variables Price, Promotional Expenditure, Location & Store Size

Vars	R-Sq	R-Sq (adj)	R-Sq (pred)	Mallows Cp	S	P r i c e	P r o m o t i o n a l E x p	L o c a t i o n	S t o r e S i z e
1	94.4	94.2	93.5	17.2	4.6480		X
1	81.0	80.2	78.0	111.3	8.5733				X
1	74.7	73.7	70.9	154.9	9.8748	X
2	96.4	96.1	95.3	5.1	3.7994		X		X
2	95.7	95.3	94.3	10.0	4.1559		X	X
2	94.9	94.4	93.5	16.0	4.5520	X	X
3	96.8	96.4	95.3	4.1	3.6469		X	X	X
3	96.8	96.3	95.3	4.6	3.6897	X	X		X
3	95.8	95.2	93.7	11.3	4.1998	X	X	X
4	97.0	96.4	94.8	5.0	3.6377	X	X	X	X

1. A) If you want to consider regression models with just two independent variables, which variables would you consider including based on the S criterion? (10 points)
2. B) If you want to consider regression models with just one independent variable, which variable would you consider including according to the R-Sq(adj) criterion? (10 points)