(a) What would you expect to be the level of Gross Sales if Advertising expenses were cut to zero?

(b) If we spend $5,000 on advertising expenses what would you expect Gross Sales to be?

(c)How much of the variation in Gross Sales can be explained by variation in Advertising expenditures?

SUMMARY OUTPUT
Regression Statistics
Multiple R	0.776
R Square	0.602
Adjusted R Square	0.581
Standard Error	585
Observations	21
ANOVA
	df	SS	MS	F	Significance F
Regression	1	9807108	9807108	28.691	0.000
Residual	19	6494659	341824.1
Total	20	16301767
	Coefficients	Standard Error	t Stat	P-value	Lower 95%	Upper 95%
Intercept	25992	260	100	0	25447	26537
Advertising	0.26	0.05	5.36	0.00	0.16	0.36