M4-6 Recording Adjusting Journal Entries [LO 4-2] For each of the following transactions for the Sky Blue Corporation, prepare the adjusting journal entries required on October 31. (If no entry is required for a transactionlevent, select "No Journal Entry Required" in the first account field.) res a. Collected $3,600 rent for the period October 1 to December 31, which was credited to Unearned Revenue on October 1. amount $5,280. b. Paid $2,160 for a two-year insurance premium on October 1 and debited Prepaid Insurance for that c. Used a machine purchased on October 1 for $52,800. The company estimates annual depreciation of