When I began shopping Sonic in 2008 for an MSC that no longer exists, I was paid $12 + a $6 reimbursement. My last completion was 09/10; the company post the contract. This is simply another example of the Arab:camel business model.
The prices will go up if you will wait until at least the middle of the month. The January shops are now $12 with make an offer enabled. I just did 2 for $20 each.