Invoice today. Cash on day 20.

A service business earns $1,200 on credit. Follow the invoice into receivables and revenue, then follow the payment into cash without recording revenue twice.

1. SourceInvoice supports the credit sale.

2. JournalEqual debit and credit record each event.

3. LedgerPostings collect by account.

4. Trial balanceDebit and credit balances agree.

5. StatementsRevenue and receivable appear before cash collection.

Day 1
Customer invoice

Service is delivered and a $1,200 invoice is issued.

Account	Debit	Credit
Accounts receivable	$1,200	—
Service revenue	—	$1,200
Total	$1,200	$1,200

Statement effect: Assets +$1,200; revenue and equity +$1,200; no cash yet.

Day 20
Bank receipt and remittance

The customer pays the $1,200 invoice.

Account	Debit	Credit
Cash	$1,200	—
Accounts receivable	—	$1,200
Total	$1,200	$1,200

Statement effect: Cash +$1,200 and receivables −$1,200; total assets and revenue do not change on collection.

What changed across both events?

After the sale, accounts receivable and revenue are each $1,200 higher. After collection, cash is $1,200 higher and receivables return to zero. Collection changes the composition of assets but does not create a second $1,200 of revenue.