9. Aggie Pool Guys, Inc. began operations on September 1, 2019 with an investment of $30,000 cash into the business. During the month of September, Aggie completed the following additional transactions: Sept 2 Aggie borrowed $9,000 from First National Bank and signed a note for the debt. Sept 4 Purchased supplies on credit for $1,000. Sept 8 Repaired a customer's pool and collected the fee of $1,800. Sept 13 Paid the supplier for the supplies received on September 4. Sept 15 Paid employee wages of $800. Sept 18 Repaired a customer's pool and billed, but did not collect $2,200. Sept 21 Collected $1,000 from a customer for a job to be performed in October. Sept 29 Paid rent for the month of September in the amount of $3,000. Sept 30 There were $600 worth of supplies on hand at the end of September. What is the total asset balance on September 30, 2019? $41,000 $39,800 $30,800 $42,000 $39,600