Martinez Supply prepares monthly financial statements. Listed below are some selected accounts and their balances at June 30 Adjustments generally are done monthly, but no adjustments have been made for the month of June, 2024. Martinez has a May 31 year end. Martinez Supply Unadjusted Trial Balance (partial) June 30, 2024 Prepaid insurance Supplies Vehicles Accumulated depreciation vehicles Notes payable Unearned revenue Service revenue Debit Credit $4,200 500 30.000 $8,500 20,400 1,300 137,000 An analysis of the account balances by the company's bookkeeper provided the following additional information 1 A two-year insurance policy was purchased on March 1, 2024 for $4,800. 2 A physical count of supplies revealed $300 on hand on June 30, 2024 3 The note payable is for one year at an annual interest rate of 5%, dated June 1, 2024