Bsc token with BNB rewards

"https://gist.github.com/jdunn7/b36a3771cd799677b6c404a46df54aa1

please help, trying to deploy a contract with 5%tax, 3% in bnb rewards, 15 to burn and 1% to liquidity and all works but the 3% bnb rewards to be allocated out of the 5% transaction tax