The Corata Appliance Manufacturing Corporation manufactures two vacuum cleaners, the Standard

and the Super. The following information was gathered about the two products:

What is the total sales $-$ quantity variance in terms of the contribution margin? $($Round intermediary

calculations to two decimal places.$)$

A$.$ $$664,920$ favorable

B$.$ $$369,600$ favorable

C$.$ $$295,320$ favorable

D$.$ $$74,280$ favorable