Prepare journal entries for the following transactions that occurred during 2017:
May    

1. Purchased equipment on account; $500. 

2. Paid for the equipment purchased on May 1. 

3. Purchased supplies for cash; $100. 

4. Paid wages to employees; $2,000. 

5. Performed services for a client and collected cash; $750. 

6. Did work for a customer on credit; $2,500. 

7. Collected the amount owing from the customer of May 6.