B2.10 (LO 3) (Adjusting Entries) Greco Resort opened for business on June 1 with eight airconditioned units. Its trial balance on August 31 is as follows. Other data: 1. The balance in prepaid insurance is a one-year premium paid on June 1,2025. 2. An inventory count on August 31 shows $450 of supplies on hand. 3. Annual depreciation rates are buildings ( 4% ) and equipment (10\%). Salvage value is estimated to be 10% of cost. 4. Unearned Rent Revenue of $3,800 was earned prior to August 31 . 5. Salaries of $375 were unpaid at August 31. 6. Rentals of $800 were due from tenants at August 31 . 7. The mortgage interest rate is 8% per year. Instructions a. Journalize the adjusting entries on August 31 for the 3 -month period June 1-August 31 . (Omit explanations.) b. Prepare an adjusted trial balance on August 31