Tany Corporation is a small table manufacturing company operating in the north of Puerto Rico.
Managers estimate the following costs per unit (one table)
Direct material (DM)	$6.00
Direct labor (DL)	$4.00
Variable manufacturing overhead (VMO)	$3.00
Variable administrative expenses (VAE)	$1.00
The estimated contribution margin is	30%
Monthly fixed costs are
Manufacturing	$10,000.00
Administrative	$5,000.00

Total unit sold during last month is 2518, what is the total operating income?

a.	between $100 and $120
b.	between $120 and $140
c.	between $140 and $160
d.	between $160 and $180