Bantam Company had the following inventories at the beginning and end of March:

March 1 March 31

Direct materials $39,000 $35,000

Work-in-process $18,000 $12,000

Finished goods $54,000 $72,000

The following additional manufacturing cost data were available for the month of March:

Direct materials purchased $86,000

Direct labour payroll $75,000

Direct labour rate per hour $7.50

Factory overhead rate per direct labour hour $10.00

During March, the conversion cost added to production was

	a.	$150,000
	b.	$120,000
	c.	$175,000
	d.	$186,000