The controller for Tires and More, Inc. has recorded the following transactions during the month: the purchase of equipment for $8,500 cash; payment of $6,300 for 3 months rent; and, collection of $2,400 from a customer for services performed. At the beginning of the month the owner established the business by making an investment of $15,000 cash. What is the balance in the Cash account at the end of the month, and is the balance a debit or a credit?