Calculation of unit product cost under variable costing system and absorption costing system.

Super Bike Manufacturing Company presents the following data for 2011:

Opening inventory 0 Units
Sales 8,000 Units
Production 10,000 Units
Closing inventory 2,000 Units
Direct materials $240
Direct labor $280
Variable manufacturing overhead expenses $100
Variable selling and administrative expenses $40
Fixed manufacturing overhead expenses $1200,000
Fixed selling and administrative expenses $800,000

Calculation of unit product cost under variable costing system