On April 1, Julie Chen established Miaoli's Travel Agency. The following transactions were completed during the month. Analyze transactions and compute net income.

1. Shareholders invested NT$15,000 cash in the business in exchange for ordinary shares.

2. Paid NT$600 cash for April office rent.

3. Purchased equipment for NT$3,000 cash.

4. Incurred NT$700 of advertising costs for Facebook ads, on account.

5. Paid NT$900 cash for office supplies.

6. Performed services worth NT$10,000: NT$3,000 cash is received from customers, and the balance of NT$7,000 is billed to customers on account.

7. Declared and paid NT$600 dividend.

8. Paid Facebook NT$500 of the amount due in transaction (4).

9. Paid employees' salaries NT$2,500.

10. Received NT$4,000 in cash from customers who have previously been billed in transaction (6).