The following information pertains to Joe Coffee Company's monthly activity and total costs:

Volume of Activity	Total Cost
550 units	$5,200
600 units	$5,500
750 units	$5,800

What would be the best equation for predicting total costs using the high-low method?

Select one:

A. Y = $3 + $1,500X

B. Y = $3,550 + $3X

C. Y = $3 + $2,100 X

D. Y = $2,250 + $3X