This is a partial adjusted trial balance of Orlando Corporation: (a) Answer the following questions, assuming Orlando's year-end is December 31 and adjusting entries are recorded monthly. (1) If the amount in Supplies Expense was recorded in the January 31 adjusting entry, and $620 of supplies was purchased in January. what was the balance in Supplies on January 1 ? 5 (2) If the amount in Insurance Expense was recorded in 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 $ (3) If $2,460 of salaries was paid in January, what was the balance in Salaries Payable at December 31,2017 ? Salaries payable $ (4) If $1,930 was recelved in January for services performed in January, what was the balance in Unearned Service Revenue at December 31.2017? Servicerevenue $