The balance sheet of William Services included the following shareholders equity section at December 31, 2016:

	($ in millions)
Common stock ($1 par value, authorized 100 million shares issued and outstanding 90 million shares)	$ 90
Paid-in capital excess of par	540
Retained earnings	280
Total shareholders equity	$910

On January 5, 2017, William purchased and retired 1 million shares for $9 million. Immediately after retirement of the shares, the balances in the paid-in capital excess of par and retained earnings accounts are:

Paid-in capital excess of par

Retained earnings

$532

$280

$534

$278

$540

$280

$540

$272