ABC Company uses a Materials Inventory account to record both direct and indirect materials. ABC charges direct materials to WIP, while indirect materials are charged to the Factory Overhead account. During the month of April, the company has the following cost information:

Total Materials (Direct and Indirect) Purchsed = $ 90,000
Indirect Materials Issued to Production = 30,000
Total Materials Issued to Production = 110,000
Beginning Materials Inventory = 50,000
The debit to the Work-in-Process Inventory account for materials is: 

A. $110,000.
B. $30,000.
C. $90,000.
D. $80,000.
E. $50.000.