Answer:
a. Cash 7,000 Accounts Receivable 7,000
Step-by-step explanation:
As for the information provided, the payment is received for a sales made in last month, and thus entry at the time of sales shall be:
Accounts Receivables A/c Dr. $7,000
To Sales $7,000
Therefore, when the amount is collected today it will increase cash by debiting cash for the same amount.
Further, balance of accounts receivables will be decreased by crediting such account.
Therefore, correct option is
a. Cash 7,000 Accounts Receivable 7,000