$[$The following information applies to the questions displayed below.$]$

Rawlco Communications operates $15$ radio stations. The following events occurred during September.

Placed an order for office supplies costing $$2,400.$ Supplier intends to deliver later in the month.

Purchased equipment that cost $$29,000$; paid $$18,000$ cash and signed a promissory note to pay $$11,000$ in one month.

Negotiated and signed a one$-$year bank loan, and then deposited $$6,000$ cash in the company$$s checking account.

Hired a new finance manager on the last day of the month.

Received an investment of $$9,000$ cash from the company$$s owners in exchange for issuing common shares.

Supplies $[$ordered in $($a$)]$ were received, along with a bill for $$2,400.$