Tecscin Company manufactures motorcycles. The company's management accountant wants to calculate the fixed and variable costs associated with utility cost incurred by the factory. Data for the past five months were collected.

	Utility	Machine
Month	cost	hours
March	$4,000	300
April	3.300	240
May	4,100	310
June	3,200	256
July	3,050	278

Using a regression program, the value of the X Variable 1 (round the answer to two decimal points) is:

	a.	$9.08.
	b.	$8.25.
	c.	$6.32.
	d.	$7.15.