_ If difference in costs is $7000 and difference in machine hours of is $18000, then slope coefficient would be$?

_ If difference in costs is $7000 and difference in machine hours of i

1.	_ If difference in costs is $7000 and difference in machine hours of is $18000, then slope coefficient would be$?
A.	2.571
B.	0.39
C.	0.2571
D.	3.39
Answer» C. 0.2571