Programs and Features

Windows 7 Ult. (X64 bit), "Programs and Features" reports Money 2007 as 100 GB; I only have a 60 GB hdd, and it shows 20 GB free. So why is it showing as 100 GB?
I went into the x86 program folder and it shows as being 81.2 MB's.
So why is it being displayed as 100 GB's in "Programs and Features"?

Windows 7 Ult. 64 Bit
AMD Phenom II quad core @ 3.4 GHz
8 GB's Ram
60 GB OCZ SSD with updated firmware 3.55
1 TB HDD storage drive
500 GB usb external storage drive
Asus M4A88TD-V-EVO- USB 3.0 MoBo

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