What were the 2-pack prices at Botcon?

Sorry if this has been asked already, but for interest's sake I'd like to know what Springer, Huffer, Weirdwolf and Alpha Trion cost at Botcon. Thanks.
SEIBERTRON - Your Planet For Everything Transformers
https://www.seibertron.com/energonpub/
https://www.seibertron.com/energonpub/viewtopic.php?f=4&t=10827