John started a business with the following transactions: 1. Invested $15,000 into the business. 2. Bought machinery worth $10,000, paying $4,000 cash and the rest on credit. 3.Earned $5,000 in revenue, collected $3,000 and the rest is receivable. What will be the total of John's trial balance after these transactions? A) $26,000 B) $28,000 C) $30,000 D) $32,000