A-j and required 1-4 please and thanks

4-36 Snider, a young cPA, started snider Accounting Services on September 1. During September, the following transactions of the company took place: (a) On September 1, Snider invested $7,000 to start the business. (b) On September I, the company paid $3,000 for one year's rent of office space in advance. (c) On September 2, office equipment was purchased at a cost of $5,000. A down payment of $1,000 was made, and a $4,000, one-year note was signed for the balance owed. (d) On September 5, office supplies were purchased for $600 cash. (e) On September 18, $I,000 was collected from clients for accounting services performed. On September 28, a $500 salary was paid to an accounting assistant