Journalize the entries to record the following transactions:

1. Mar. 10: 500 units of raw materials were purchased on account at $7.00 per unit.
2. Mar. 15: 400 units of raw materials were requisitioned at $7.50 per unit for production, Job 872.
3. Mar. 25: 300 units of raw materials were requisitioned at $7.00 per unit for production, Job 879.

If an amount box does not require an entry, leave it blank.