A company's trial balance as of December 31, 20X20, is as follows:

Account	Debit (Dr)	Credit (Cr)
Cash	$110,000
Accounts Receivable	$130,000
Inventory	$140,000
Prepaid Expenses	$70,000
Property, Plant & Equipment	$800,000
Accumulated Depreciation		$130,000
Accounts Payable		$150,000
Notes Payable		$190,000
Common Stock		$320,000
Retained Earnings		$410,000
Sales Revenue		$850,000
Cost of Goods Sold	$400,000
Operating Expenses	$220,000
Income Tax Expense	$120,000
Dividends	$70,000

Calculate the following:

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