For each of the following transactions, indicate whether operating (O), investing (I), or financing activities (F) are affected and whether the effect is a cash inflow (+) or outflow (-), or (NE) if the transaction has no effect on cash.
_______ 1. Received deposits from customers for products to be delivered the following period.
_______ 2. Principal repayments on loan.
_______ 3. Paid cash to purchase new equipment.
_______ 4. Received proceeds from loan.
_______ 5. Collected payments on account from customers.
_______ 6. Recorded and paid salaries to employees.
_______ 7. Paid cash for building construction.
_______ 8. Recorded and paid interest to debt holders.