Amy Leung Ltd had the following transactions during 2019.

1. Issued $ 50,000 ordinary shares for cash. (Financing activities +)

2. Sales were $ 20,000 (80% - cash, 20% - on credit remaining uncollected by the year end) (Operating activities +)

3. Collected $ 15,000 of accounts receivable from the prior year (Operating activities +)

4. Declared and paid a cash dividend of $ 25,000 (Financing activities -)

5. Issued $ 25,000 ordinary shares in exchange for the small plot of land. Land will be used for business activity (Operating activities +)

6. Sold a non-current investment with a cost of $ 15,000 for $ 15,000 (Financing activities +)

7. Purchased a machine for $ 40,000 by paying 50% in cash and the remainder with a note (obligation paper) ( Investing activities -)

8. Paid $ 14,000 on account payable (Operating activities -)

9. Borrowed from the bank $ 15,000 (Financing activities +)

10. Paid interest of $ 2,200 and $ 1,500 on principal (Financing activities -)

Additional information: depreciation expense on machine purchased was $ 1,200

1. What was the balance in cash at the beginning of the year, if the year-end balance is $ 22,800?