Lambda Health Services began operations on January 1, Year 1. Below are the transactions for the first year:

Transaction #	Date	Transaction Description	Amount
1	Jan 1, Y1	Issued common stock for cash	$160,000
2	Jan 15, Y1	Purchased medical equipment on account	$35,000
3	Feb 5, Y1	Paid cash for office supplies	$7,000
4	Mar 1, Y1	Paid cash for employee salaries	$50,000
5	Apr 10, Y1	Provided healthcare services on account	$80,000
6	Jun 20, Y1	Collected cash from patients	$70,000
7	Sep 1, Y1	Paid cash for utilities	$4,500
8	Dec 31, Y1	Paid cash dividends to shareholders	$15,000

Required:

1. Record the transactions in the general journal.
2. Prepare the unadjusted trial balance as of December 31, Year 1.
3. Prepare the adjusted trial balance after considering necessary adjustments.