i briefly went back over the announcements and...hole started on...

i briefly went back over the announcements and...

hole started on the 9/12/2011 finished on the 20/12/2011 = 12 DAYS

12 days @ say 12hours a day = 144 hours

$710,000 divide by 144hours = $4930/hour approx.

obviously price may also include transport, accommodation for crew, (?) etc

assuming it was maybe at a discount as well being first job and all?
gives us a good indication of the sort of money making potential of the machine!

any thoughts as i may have this all wrong?
happy