Phantom Enterprises Adds Materials to Production at the Beginning of the Process

Multiple Choice

Phantom Enterprises adds materials to production at the beginning of the process in the Production Department. It uses a single-step process. Data on material for this department for July 2014 are as follows: The company uses the FIFO inventory method.
The materials cost in Work in Process on July 31 is

A) $37,500.
B) $31,000.
C) $39,000.
D) $46,500.