1. On November 1, 2021, Green Corp., a calendar year-end company, purchased materials costing $300,000 for use in a variety of future R&D activities. As of December 31, 2021, materials costing $75,000 remain unused. There was no beginning balance in the R&D Materials Inventory account.

Assuming the R&D Materials Inventory account was debited at the time of their purchase, the journal entry Green records on 12/31/21 should be which of the following:

A.	Cost of Goods Sold	75,000
	R&D Materials Inventory		75,000
B.	Cost of Goods Sold	225,000
	R&D Materials Inventory		225,000
C.	R&D Expense	225,000
	R&D Materials Inventory		225,000
D.	R&D Expense	75,000
	R&D Materials Inventory		75,000
E.	Amortization Expense	75,000
	R&D Materials Inventory		75,000
F.	Materials (or Supplies) Expense	225,000
	R&D Materials Inventory		225,000