Use the provided chart of account to prepare the general journal entries in the space provided below for the following transactions that occurred in March for Apec, Inc. (Do not abbreviate when writing journal entries.)

1. Mar 10 Purchased 200 units for $10 each with terms 2/10, n 30.
2. Mar 15 Sold 90 units for $30 each with terms 1/10, n 45. The cost of these items was $10 each.
3. Mar 20 Paid for March 10^th purchase.
4. Mar 25 Received payment for March 15^th sale.