The following variable manufacturing costs apply to goods produced by Martinez Manufacturing Corporation: Item Cost per Unit

Question:

The following variable manufacturing costs apply to goods produced by Martinez Manufacturing Corporation:
Item Cost per Unit
Materials ............. $3.50
Labor ............. 2.60
Variable overhead ........ 1.90
Total ............. $8.00

Required
Determine the total variable manufacturing cost if Martinez produces 4,000, 6,000, or 8,000 units.