Lullumber Company's fiscal year end is December 31. On January 31, 2021, the company's partial adjusted trial balance shows the following: -720 CULLUMBER COMPANY Adjusted Trial Balance (Partial) January 31, 2021 Debit Credit $620 Supplies Prepaid Insurance 1.280 Equipment 6,600 Accumulated Depreciation-Equipment $3,355 800 Salaries Payable Unearned Revenue BOO 2080 Service Revenue Depreciation Expense 55 320 Insurance Expense 1.700 Salaries Expense 900 Supplies Expense if$ 1430 was received in January for services performed in January, what was the balance in Unearned Revenue at December 31 2020? Unearned revenue e Textbook and Media if the amount in Depreciation Expense is the depreciation for one month, when was the equipment purchased? Purchase date e Textbook and Media If the amount in Insurance Expense is the January 31 adjusting entry, and the original insurance premium was for one year, what was the total premium, and when was the policy purchased? (Hint: Assume the policy was purchased on the first day of the month Total premium $ Purchase date eTextbook and Media If the amount in Supplies Expense is the January 31 adjusting entry, and the balance in Supplies on January 1 was $ 900 whats the amount of supplies purchased in January Supplies purchased eTextbook and Media 170 If the balance in Salaries Payable on January 1, 2021, was $ 1,160, what was the amount of salaries paid in charge Salaries paid $ e Textbook and Media