Prepare journal entries for each of the following transactions. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts.)

1.		Performed services for customers on account $8,400.
2.		Purchased $20,000 of equipment on account.
3.		Received $3,800 from customers in transaction 1.
4.		The owner, J. Dean, withdrew $2,900 cash for personal use