Make the following journal entries: 1. A computer was purchased for $ 900.00. 2. $ 100.00 was paid in promotions. 3. $ 100.00 of depreciation expense was posted. 4. $ 300.00 was paid in the payment of utilities from the checking account. 5. A customer service was performed for $ 3,000.00, and the customer paid cash to our checking account. 6. An equipment was purchased on credit for $ 4,000.00. 7. The $ 300.00 phone bill was paid from the checking account. 8. A service was provided to a customer for $ 7,000.00. 9. There was a maintenance expense of $ 200.00 and it was paid from the checking account. 10. A car was purchased for business use with a value of $ 12,000.00, of which $ 2,000.00 was paid in cash and the remainder on credit. 11. A payment was made to a debt in cash for $ 500.00. 12. A customer requested a maintenance service on his vehicle on credit and it was provided for $ 600.00 on credit.