Analyze the following transactions as to their effect on the accounting equation.
The company paid $725 to a vendor for supplies purchased previously on the account.
The company performed $850 of services and billed the customer.
The company received a utility bill for $395 and will pay it next month.
The owner of the company withdrew $145 of supplies for personal use.
The company paid $315 in salaries to its employees.
The company collected $730 of cash from its customers on account.

Some of the possible effects of a transaction on the accounting equation are listed below:
1. Assets, Dr.; Assets, Cr.
2. Assets, Dr.; Liabilities, Cr
3. Assets, Dr.; Revenues, Cr
4. Liabilities, Dr.; Assets, Cr.
5. Dividends, Dr.; Assets, Cr
6. Expenses, Dr.; Assets, Cr
7. Expenses, Dr.; Liabilities, Cr.