Exercise 4-12 the ledger of monty corp. on july 31, 2017, includes the selected accounts below before adjusting entries have been prepared debit credit $16,000 investment in note receivable 22,500 supplies prepaid rent 6,000 buildings 240,000 $130,000 accumulated depreciation-buildings unearned service revenue 10,800 an analysis of the company's accounts shows the following. 1. the investment in the notes receivable learns interest at a rate of 12% per year 2. supplies on hand at the end of the month totaled $15,000. 3. the balance in prepaid rent represents 4 months of rent costs. 4. employees were owed $3,500 related to unpaid salaries and wages. 5. depreciation on buildings is $4,200 per year. 6. during the month, the company satisfied obligations worth $4,700 related to the unearned services revenue. 7. unpaid maintenance and repairs costs were $2,050. prepare the adjusting entries at july 31 assuming that adjusting entries are made monthly. (if no entry is required, select "no entry" for the account titles and enter o for the amounts. credit account titles are automatically indented when the amount is entered. do not indent manually.)