Examine the balance sheet of commercial banks in the following table.

Assets	$ Billion			% Total				Liabilities and Net Worth	$ Billion			% Total
Real assets								Liabilities
Equipment and premises	$	143.7			0.9	%		Deposits	$	10,272.3		67.8	%
Other real estate		28.9			0.2			Debt and other borrowed funds		923.0		6.1
Total real assets	$	172.6			1.1	%		Federal funds and repurchase agreements		971.0		6.4
								Other		931.0		6.1
								Total liabilities	$	13,097.3		86.5	%
Financial assets
Cash	$	880.3			5.8	%
Investment securities		5,032.1			33.2
Loans and leases		6,651.3			43.9
Other financial assets		1,205.2			8.0
Total financial assets	$	13,768.9			90.9	%
Other assets
Intangible assets	$	418.4			2.8	%
Other		784.7			5.2
Total other assets	$	1,203.1			7.9	%		Net worth	$	2,047.3		13.5	%
Total	$	15,144.6			100.0	%			$	15,144.6		100.0	%

Balance sheet of FDIC-insured commercial banks and savings institutions Note: Column sums may differ from total because of rounding error. Source: Federal Deposit Insurance Corporation, www.fdic.gov, October 2018. a. What is the ratio of real assets to total assets? (Round your answer to 4 decimal places.)

b. What is the ratio of real assets to total assets for nonfinancial firms in the following table? (Round your answer to 4 decimal places.)

Assets	$ Billion				% Total			Liabilities and Net Worth	$ Billion				% Total
Real assets								Liabilities
Equipment and software		$	4,432		16.4	%		Bonds and mortgages		$	5,394			20.0	%
Real estate			9,659		35.8			Bank loans			803			3.0
Inventories			1,764		6.5			Other loans			1,374			5.1
Total real assets		$	15,855		58.8	%		Trade debt			1,774			6.6
								Other			4,668			17.3
								Total liabilities		$	14,013			52.0	%
Financial assets
Deposits and cash		$	692		2.6	%
Marketable securities			1,101		4.1
Trade and consumer credit			2,312		8.6
Other			6,988		25.9
Total financial assets		$	11,093		41.2	%		Net worth		$	12,935			48.0	%
Total		$	26,948		100.0	%				$	26,948			100.0	%

Balance sheet of U.S. nonfinancial corporations Note: Column sums may differ from total because of rounding error. Source: Flow of Funds Accounts of the United States, Board of Governors of the Federal Reserve System, September 2018.