This is a partial adjusted trial balance of Orlando Corporation: ORLANDO CORPORATION Partial Adjusted Trial Balance January 31, 2018 Debit Credit Supplies $660 Prepaid Insurance 1,710 Salaries Payable $ 1,080 Unearned Revenue 750 Dividends Declared 1,320 Service Revenue 2,200 Supplies Expense 960 Insurance Expense 570 Salaries Expense 1,930 Income Tax Expense 340 Answer the following questions, assuming Orlando's year-end is December 31 and adjusting entries are recorded monthly. (1) If the amount in Supplies Expense was recorded in the January 31 adjusting entry, and $ 680 of supplies was purchased in January, what was the balance in Supplies on January 1? Supplies balance $ (2) If the amount in Insurance Expense was recorded in the January 31 adjusting entry, and the original insurance premium was for 1 year, what was the total premium and when was the policy purchased? Total premium $ Purchase date (3) If $ 2,590 of salaries was paid in January, what was the balance in Salaries Payable at December 31, 2017? Salaries payable $ (4) If $ 1,770 was received in January for services performed in January, what was the balance in Unearned Service Revenue at December 31, 2017? Service revenue $