DLC's brought & downloaded to wrong account

[AngelCasper14]

Hi my questions are I have 2 origin accounts 1 has the Dragon Age 2 game, while I was playing the game I was signed into the other account by mistake I purchased the DLC's and I can't get them to show up in the game what do I do to fix this??? Is there anyway for me to merge the 2 accounts into 1 any help would be greatly appreciated thank you