This is a partial adjusted trial balance of Oriole Company. Credit ORIOLE COMPANY Adjusted Trial Balance January 31, 2022 Debit Supplies $770 Prepaid Insurance 1.440 Salaries and Wages Payable Unearned Service Revenue Supplies Expense 890 Insurance Expense 480 Salaries and Wages Expense 1.750 Service Revenue $1,760 860 2,120 Answer these questions, assuming the year begins January 1. (a) If the amount in Supplies Expense is the January 31 adjusting entry and $300 of supplies was purchased in January, what was the balance in Supplies on January 1? Supplies balance $ 800 (6) If the amount in Insurance Expense is 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? 3600 Total premium for 1 year $ Purchase date May 1, 2021 (c) If $2,840 of salaries was paid in January, what was the balance in Salaries and Wages Payable at December 31, 20212 Balance in Salaries and Wages Payable at December 31, 2021 $ (d) If $1,800 was received in January for services performed in January, what was the balance in Unearned Service Revenue at December 31, 2021? Balance in Unearned Service Revenue at December 31, 2021 $