2. The partial adjusted trial balance of Martinez Company at January 31, 2020, shows the following to 31 MARTINEZ COMPANY Adjusted Trial Balance January 31, 2020 Credit Debit $ 2,300 2,560 $1,350 Supplies.. Prepaid Insurance Salaries and Wages Payable. Accounts Receivable Supplies Expense.... Insurance Expense.... Salaries and Wages Expense Service Revenue....... 1,800 7,500 320 8,250 16,540 Instructions Answer the following questions, assuming the year begins January 1. a. If the amount in Supplies Expense is the January 31 adjusting entry, and $8,150 of supplies was purchased in January, what was the balance in Supplies on January 1? (2 points) b. 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? (2 points) C. If $8,530 of salaries was paid in January, what was the balance in Salaries and Wages Payable at December 31, 2019? (2 points) d. If cash receipts from the customers in January were $15,650, what was the balance in Accounts Receivable at December 31, 2019? (2 points)