6: (8 Points): For each of the following 4 transactions, draft the correct journal entry using the following Chart of Accounts. You may omit the date and the description from the journal entry: A: Incurred $400 in expense for an Advertising Campaign to a local marketing expert, however we won't pay it until next month. B: Received $900 cash from a customer and we performed the service now. C: Received $800 cash from a customer. We will not perform the service until NEXT YEAR. D: Our employees work and we pay them $1,500 cash