If difference in costs is $32000 and slope coefficient is 0.40, then difference in machine hours would be

If difference in costs is $32000 and slope coefficient is 0.40, then d

1.	If difference in costs is $32000 and slope coefficient is 0.40, then difference in machine hours would be
A.	80,000
B.	12,800
C.	70,000
D.	22,800
Answer» B. 12,800