Cory Tanner started a new business, Tanner Gymnastics, and completed the following transactions during December:

Dec. 1 Cory contributed $16,000 cash in exchange for capital.
2 Received $2,800 cash from customers for service performed.
5 Paid $400 cash for office supplies.
9 Performed services for a customer and billed the customer for services rendered, $ 2,000
10 Received $300 invoice for utilities due in two weeks.
15 Paid for advertising in the local paper, $325.
20 Paid utility invoice received on Dec. 10.
25 Collected cash in full from customer billed on Dec. 9.
28 Paid rent for the month, $1,900.
28 Paid $1,450 to assistant for wages.
30 Received $2,400 cash from customers for services performed.
31 Cory withdrew $4,000.