Consider the following listing for 10-year Treasury note futures on the Chicago Board of Trade. One futures contract for Treasury

notesequals=$100,000

face value of 10-year 6% notes.

Month	Last	Chg	Open	High	Low	Volume	OpenInt
Dec '12	108'18.5	0'03.5	108'13.0	108'21.0	108'06.5	564,322	2,380,328
Mar '13	108'07.0	0'05.5	108'00.0	108'05.0	107'26.0	4,325	118,728
Jun '13	107'27.0	0'05.5	107'27.0	107'27.0	107'21.5	2	19
Sep '13	107'21.5	0'05.5	107'21.5	107'21.5	107'21.5	0	0
Dec '13	107'21.5	0'05.5	107'21.5	107'21.5	107'21.5	0	0

If on this day you bought two contracts expiring in December 2012, you would have paid

$nothing.

(Round your response to the nearest whole number.)