Yes. Just one example:
http://cpcweb.com/caption-service/rates/CPC_caption_rates.pdf
That's for older style closed captions. On-disc EN SDH subs have more specific programming that costs even more, IIRC.
And this doesn't include quality control checks and cost of fixes...
No one knows exactly, but I would guess at least 3 years and no more than 5. And the Republic titles were a subsequent deal to the original Paramount licensed titles, so clearly Olive would be first choice to re-up when the license expires.
In any case, I am under the impression that the...