ACCOUNTING - adjusting entry for this information ??

Question

"On June 1, the company completed negotiations with another client and accepted a payment of $21,000 representing one years services paid in advance. The $21,000 was credited to Services Collected in Advance."

(The End of the Fiscal Year is June 30 !)

Answer 1

Debit Services Collected in Advance 1/12 of 21,000 (1,750) & Credit Income for the same amount.