On July 1 of the current year, the assets and liabilities of John Wong, DVM, are as follows: Cash, $15,000; Accounts Receivable, $12,300; Supplies, $3,100; Land, $35,000; Accounts Payable, $8,700. What is the amount of owner's equity (John Wong’s capital) as of July 1 of the current year?
1. $65,400
2. $43,700
3. $32,100
4. $56,700