Assume the following is the stockholders equity section of the 2016 Caterpillar, Inc., balance sheet.

At what average cost has Caterpillar repurchased its stock as of year-end 2016?

$10.35
	$32.20
	$ 2.28
	$ 2.07

2016 2015 2014 $1,859 $1,231 $1,059 Stockholders' Equity ($ millions) Common stock of $1.00 par value; Authorized shares: 900,000,000; Issued shares (2016, 2015, and 2014- 814,894,624) at paid-in amount... Treasury stock (2016144,027,405 shares; 2015- 129,020,726 shares; 2014127,370,544 shares) at cost Profit employed in the business... Accumulated other comprehensive income Total stockholders' equity. (4,637) 11,808 _(598) $8.432 (3,277) 9,937 (424) $7.467 (2,914) 8,450 (517) $6.078