Mary's Landscaping uses a job order cost system. The following debits (credits) appeared in Work-in-Process Inventory for August:

	Description	Amount
August 1	Balance	$	13,900
For the month	Direct materials		81,100
For the month	Direct labor		54,900
For the month	Factory overhead		41,175
For the month	To finished goods	(	160,300	)

Mary's applies overhead to production at a predetermined rate of 75 percent based on direct labor cost. Job 3318, which was started during August and is the only job still in process at the end of August, has been charged direct labor of $6,600.

Required:

What cost amount of direct materials was charged to Job 3318?