Lupo Corporation uses a job-order costing system with a single plantwide predetermined overhead rate based on machine-hours. The company based its predetermined overhead rate for the current year on the following data:

Total machine-hours		30,000
Total fixed manufacturing overhead cost	$	252,000
Variable manufacturing overhead per machine-hour	$	2.10

Recently, Job T687 was completed with the following characteristics:

Number of units in the job		10
Total machine-hours		30
Direct materials	$	675
Direct labor cost	$	1,050

The predetermined overhead rate is closest to:

$12.60 per machine-hour $10.50 per machine-hour o $8.40 per machine-hour $2.10 per machine-hour