I cannot figure out the depreciation for the building and equipment (Question 3 a & b). I also need to make an ADJUSTED trial balance for august 31!

Bonita Resort opened for business on June 1 with eight air-conditioned units. Its trial balance on August 31 is as follows. Credit BONITA RESORT TRIAL BALANCE AUGUST 31, 2020 Debit Cash $22,300 Prepaid Insurance 7,200 Supplies 5,300 Land 28,000 Buildings 128,000 Equipment 24.000 Accounts Payable Unearned Rent Revenue Mortgage Payable Common Stock Retained Earnings Dividends 5.000 Rent Revenue Salaries and Wages Expense 44,800 Utilities Expenses 9,200 Maintenance and Repairs Expense 3,600 $277.400 $7,200 7,300 68,000 101,700 9,000 84.200 $277,400 Other data: 1. The balance in prepaid insurance is a one-year premium paid on June 1, 2020. 2. An inventory count on August 31 shows $444 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 $3,945 was earned prior to August 31. 5. Salaries of $371 were unpaid at August 31. 6. Rentals of $867 were due from tenants at August 31. (Use Accounts Receivable account.) 7. The mortgage interest rate is 8% per year