Sooo lost in this question. Spent a hour doing this and no luck!

Jack Hammer Company completed the following transactions. The annual accounting period ends December 31. Apr. 30 Received $600,000 from Commerce Bank after signing a twelve-month, 6 percent, promissory note June 6 Purchased merchandise on account at a cost of $75,000 (Assume a perpetual inventory system.) July 15 Paid for the June 6 purchase Aug. 31 Signed a contract to provide security services to a small apartment complex and collected six months' fees in advance, amounting to $24,000 (Use an account called Deferred Revenue.) Dec. 31 Determined salary and wages of $40,000 were earned but not yet paid as of December 31 (ignore payroll taxes) Dec. 31 Adjusted the accounts at year-end, relating to interest Dec. 31 Adjusted the accounts at year-end, relating to security services Required: 1. Prepare journal entries for each of the transactions. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.) View transaction list Journal entry worksheet