Hello! Could someone answer the questions? I do not understand part A, B, C, or D really well.

This is a partial adjusted trial balance of Ivanhoe Company. Answer these questions, assuming the year begins January 1. (a) If the amount in Supplies Expense is the January 31 adjusting entry and $282 of supplies was purchased in January, what was the balance in Supplies on January 1 ? Supplies balance (b) If the amount in Insurance Expense is the January 31 adjusting entry and the original insurance premium was for 1 vear, what was the total premium and when was the policy purchased? Total premium for 1 year Purchase date If \$2,350 of salaries owed were paid in January, what was the balance in Salaries and Wages Payable at December 31, 2021? Batance in Salaries and Wages Payable at December 31, 2021$ (d) If $1,692 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 \$