A trial balance prepared from the ledger account balances presented below would have equal debit and credit totals of:

Cash 6000
Accounts Receivable 4000
Equipment 3000
Accounts Payable 2000
Notes Payable 2000
Unearned Fees 1500
Accumulated Depreciation 1000
Common Stock 5000
Retained Earnings 4000
Land 2000
Wage Expense 4000
Revenues 6000
Rent Expense 1500
Dividends 1000

A. $21,500
B. $20,500
C. $22,500
D. $19,500

The correct answer is A but I have no idea why. Help!

Classify accounts into debits and credits. Debits are assets and expenses, credits are liabilities, equity and income

Answer A is correct