Please help with question. I cant seem to balance out the adjusted trail balance. I have provided my own working. Thank you.

1. The balance in prepaid insurance is a one-year premium paid on June 1, 2017. 2. An inventory count on August 31 shows $429 of supplies on hand 3. Annual depreciation rates are (a) buildings (4%) (b) equipment (10%). Salvage value is estimated to be 10% of cost. 4. Unearned Rent Revenue of $3,524 was earned prior to August 31. 5. Salaries of $343 were unpaid at August 31. 6. Rentals of $782 were due from tenants at August 31. (Use Accounts Receivable account.) 7. The mortgage interest rate is 8% per year