Greenco Industries Inc. had the following activities on Dec 31, 2022 fiscal year:

What was Greenco's cost of goods manufactured for 2022?

\begin{tabular}{|l|r|} \hline Direct materials: & \\ \hline Beginning inventory & $100,000 \\ \hline Purchases & 308,000 \\ \hline Ending inventory & 52,000 \\ \hline Direct manufacturing labour & 80,000 \\ \hline Manufacturing overhead & 60,000 \\ \hline Ending work in process inventory & 20,000 \\ \hline Beginning work in process inventory & \\ \hline Ending finished goods inventory & 4,000 \\ \hline Beginning finished goods inventory & 80,000 \\ \hline \end{tabular} Select one: a. $536,000 b. $476,000 C. $512,000 d. None of these answers are correct. e. $480,000 f. $496,000