Selected activity of Mason Consulting Services follow. DATE TRANSACTIONS 2019 Sept. 1 Zack Mason invested $41,000 in cash to start the firm. 4 Purchased office equipment for $4,600 on credit from Den, Inc.; received Invoice 9823, payable in 30 days. 16 Purchased an automobile that will be used to visit clients; issued Check 1001 for $12,600 in full payment. 20 Purchased supplies for $330; paid immediately with Check 1802. 23 Returned damaged supplies for a cash refund of $75. 30 Issued Check 1003 for $2,300 to Den, Inc., as payment on account for Invoice 9823. 30 Withdrew $1,100 in cash for personal expenses. 30 Issued Check 1004 for $750 to pay the rent for September. 30 Performed services for $3,200 in cash. 30 Paid $34e for monthly telephone bill, Check 1995. Prepare journal entries for the transactions incurred during September of 2019. View transaction list Journal entry worksheet