Golden Company Had These Transactions During the Accounting Period: Sold

Multiple Choice

Golden Company had these transactions during the accounting period: Sold merchandise for $600; its cost was $400. Collected $400 from a trade receivable. The account was established in the previous year. Used office supplies of $50.
Golden's profit for the period would be which of the following?

A) $150.
B) $50.
C) $900.
D) $600.