JN Corporation had only one job in process on June 1. The job had been charged with Rs.3,400 of direct materials, Rs.4,840 of direct labor, and Rs.6,292 of manufacturing overhead cost. The company assigns overhead cost to jobs using the predetermined overhead rate on the basis of direct labor cost. During June, the following activity was recorded:

Raw materials (all direct materials):
Beginning balance	8,500
Purchased during the month	42,000
Used in production	49,500
Labor:
Direct labor-hours worked during the month	2,250
Direct labor cost incurred	27,520
Actual manufacturing overhead costs incurred	52,800
Inventories:
Raw materials, June 30	?
Work in process, June 30	37,190

Work in process inventory on June 30 contains Rs.9,940 of direct labor cost.

Calculate cost of Raw Materials at work in process, June 30,

Expert please be quick, got half an hour.