T-Account (Liability) CR NEED UNKOWN CR amount Please provide in detail the equation for finding out this UNKNOWN CR amount on a CR Liablity Account. Also could you tell me how I would find an unkown...

T-Account (Liability) CR
NEED UNKOWN CR amount
Please provide in detail the equation for finding out this UNKNOWN CR amount on a CR Liablity Account. Also could you tell me how I would find an unkown DR amount on the same type of Liabilty CR Account. Thanks

Beginning Balance $3,000

CR-$3,400