A recent article inBloombergBusinessweeklisted the Best Small Companies. We are interested in the current results of the companies sales and earnings. A random sample of 12 companies was selected and the sales and earnings, in millions of dollars, are reported below.

Company	Sales ($ millions)	Earnings ($ millions)	Company	Sales ($ millions)	Earnings ($ millions)
Papa John's International	$	87.4		$	4.9		Checkmate Electronics	$	17.5		$	2.6
Applied Innovation		18.6			4.4		Royal Grip		9.8			1.7
Integracare		17.4			1.3		M-Wave		19.6			3.5
Wall Data		71.7			8.0		Serving-N-Slide		53.7			8.2
Davidson & Associates		58.6			6.6		Daig		28.6			6.0
Chico'sFAS		47.3			4.1		Cobra Golf		69.2			12.8

Let sales be the independent variable and earnings be the dependent variable.(Round your answers to 3 decimal places.)

a.	The coefficient of correlation is.
b.	The coefficient of determination is.
c.	The regression equation, with thecoefficients, isY'=+X
d.	For asmall companywith $54 million in sales, an estimate ofthe earnings is($ millions).