Why 3 and 5 are neither capital expenditure nor expense?

C Capital Expenditure E Expense N Neither Transactions (1) Purchased a patent, $4,300 cash. (2) Paid $10,000 for monthly salaries. (3) Paid cash dividends, $20,000. (4) Purchased a machine, $7,000; signed a long-term note. (5) Paid premium for a three-year insurance policy, $900. (6) Paid for routine maintenance, $200. (7) Paid $400 for ordinary repairs. (8) Paid $6,000 for improvements that lengthened the asset's productive life. (9) Paid $20,000 cash for addition to old building