Listed below are eight transactions. In each case, identify whether the transaction is an example of financing, investing, or operating activities and which of the financial statements it would...

Listed below are eight transactions. In each case, identify whether the transaction is an example of financing, investing, or operating activities and which of the financial statements it would affect.

1. Services are performed, and customers are billed for $13,000.
2. Five parcels of real estate are purchased, for a total of $55,000 in cash.
3. A long-term investment in an equity security is sold for $4,500 cash.
4. Principal payments are made on outstanding debts.
5. Cash is received from customers for services completed in a previous period