During 2020, "cost of goods manufactured" was less than the amount of "Total manufacturing costs" for the period. Which statement is true?

1. Ending work in process inventory is greater than beginning work in process inventory.
2. Ending work in process is less than beginning work in process inventory.
3. Ending work in process is equal to the cost of goods manufactured.
4. Ending work in process is less than beginning finished goods inventory.