Question

read the requirement (record debits first, then credits. select the explanation on the last line of the journal entry table.)
may 20 received $1,200 from customers for services to be performed next month
table with columns: accounts and explanation, debit, credit; row: may 20

Explanation:

Step1: Analyze the transaction

When cash is received for services to be performed later, we debit Cash (as cash increases) and credit Unearned Revenue (a liability, as the service is yet to be provided).

Step2: Record the debit

Debit Cash for $1,200.

Step3: Record the credit

Credit Unearned Revenue for $1,200.

Step4: Add the explanation

The explanation is "Received cash for services to be performed next month."

Date	Accounts and Explanation	Debit	Credit
May 20	Unearned Revenue		1,200
May 20	Received cash for services to be performed next month

Answer:

The journal entry is as shown in the table above with Cash debited for $1,200, Unearned Revenue credited for $1,200, and the explanation as provided.