Star, Inc. used Excel to run a least-squares regression analysis, which resulted in the following output:

Regression Statistics
Multiple R	0.9755
R Square	0.9517
Observations	30

	Coefficients	Standard Error	T Stat	P-Value
Intercept	175,003	61,603	2.84	0.021
Production (X)	11.57	0.9213	12.55	0.000

What is Star's variable cost per unit?

$0.92

$2.84

$11.57

$12.55