SANDHILL CO. Adjusted Trial Balance January 31, 2025 Debit Credit Supplies $810 Prepaid Insurance 1,230 Salaries and Wages Payable $1,940 Unearned Service Revenue 860 Supplies Expense 890 Insurance Expense 410 Salaries and Wages Expense 1,910 Service Revenue 2,460 Answer these questions, assuming the year begins January 1. If the amount in Supplies Expense is the January 31 adjusting entry and $220 of supplies was purchased in January, what was the balance in Supplies on January 1? Supplies balance 4,180 (b) 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? Total premium for 1 year Purchase date (c) If $2,940 of salaries was paid in January, what was the balance in Salaries and Wages Payable at December 31, 2024? (c) If $2,940 of salaries was paid in January, what was the balance in Salaries and Wages Payable at December 31, 2024? Balance in Salaries and Wages Payable at December 31, 2024 (d) If $1,800 was received in January for services performed in January, what was the balance in Unearned Service Revenue at December 31.2024? Balance in Unearned Service Revenue at December 31, 2024