E3-11 A partial adjusted trial balance of Sila Company at January 31, 2008, shows the following.

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A partial adjusted trial balance of Sila Company at January 31, 2008, shows the following.

SILA COMPANY
Adjusted Trial Balance
31-Jan-08
	Debit	Credit
Supplies	850
Prepaid insurance	2,400
Salaries payable		800
Unearned expense		750
Supplies expense	950
Insurance expense	400
Salaries expense	1,800
Service Revenue		2,000

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 $500 of supplies was
purchased in January, what was the balance in Supplies on January 1?
(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?
(c) If $3,500 of salaries was paid in January, what was the balance in Salaries Payable at
December 31, 2007?
(d) If $1,600 was received in January for services performed in January, what was the balance in
Unearned Revenue at December 31, 2007?