Default [Q]Transfer Google Play Balance&Purchases To Other Google Account

HI,
I have a google account with google play where i redeemed a gift card i won sometime ago. However, that is not the account for google play and email that i use the most and that i want to use, so i was wondering if its possible to transfer the play store balance to other account and purshaced apps also?

I have been using 2 accounts on my phone, but i have to switch it up sometimes and poweramp is one of the apps i bought and it gives me a validation of purschase error sometimes and i think it might be because the account that i used to purshace it with (the one with the gift card balance) is not always selected as main account on the play. So i just wanted to have everything in one account.
Is this possible?

Thank you!