1) Record the following transactions in the general journal July 1 - a customer pays a previously issued invoice $600 July 5 - you bought $300 worth of office supplies on account July 10 - you make a loan payment of $1000; $800 going to the loan principal and $200 to interest July 15 - you provide $1,500 worth of services on account to a customer July 20 - you receive the monthly telephone bill of $250, to be paid at later date July 25 - you purchase a $15,000 work truck using $5,000 worth of cash with the remainder financed July 27 - you pay the $1,000 monthly rent using cash July 30 - the customer from July 15 pays $500 towards his receivable balance