Not understanding what is left to answer for full completion. please help and thank you

Required information [The following information applies to the questions displayed below.] Rawlco Communications operates 10 radio stations. The following events occurred during September. a. Placed an order for office supplies costing $1,900. Supplier intends to deliver later in the month. b. Purchased equipment that cost $24,000; paid $6,000 cash and signed a promissory note to pay $18,000 in one month. c. Negotiated and signed a one-year bank loan, and then deposited $6,000 cash in the company's checking account. d. Hired a new finance manager on the last day of the month. e. Received an investment of $12,000 cash from the company's owners in exchange for issuing common shares. f. Supplies [ordered in (a)] were received, along with a bill for $1,900. Required: 1. Indicate the specific account, amount, and direction of effects for each transaction on the radio station's accounting equation. If an event is not considered a transaction, leave the account, amount and direction of effects blank. (Enter any decreases to account balances with a minus sign.)