give me the answer and tell me why

For each of the following events, which ones result in an exchange transaction for Dittmarn Company (Y for yes and N for no)'? (1) Dittman Company purchased a machine that it paid for by signing a note payable. (2) The founding owner, Megan Dittman, purchased additional stock in another company. (3) The company borrowed $2,500,000 from a local bank. (4) Six investors in Dittman Company sold their stock to another investor. (5) The company lent $300,000 to a member of the board of directors. (6) Dittman Company ordered supplies from Staples to be delivered next week