A company's trial balance as of December 31, 20X8, is as follows:

Account	Debit (Dr)	Credit (Cr)
Cash	$70,000
Accounts Receivable	$90,000
Inventory	$100,000
Prepaid Expenses	$30,000
Property, Plant & Equipment	$350,000
Accumulated Depreciation		$45,000
Accounts Payable		$80,000
Notes Payable		$110,000
Common Stock		$160,000
Retained Earnings		$210,000
Sales Revenue		$450,000
Cost of Goods Sold	$220,000
Operating Expenses	$110,000
Income Tax Expense	$55,000
Dividends	$35,000

Calculate the following:

1. Gross Profit
2. Total Assets
3. Total Liabilities
4. Total Equity