boat VS. nut flush/top pr - guess who has which

[Tim H]

overpair vs nut flush/top pr - guess who has which
either line seem out of whack?

CryptoLogic 25NL
CO $30
BB $54

CO has?
BB has?

folds to CO who bets $1
BB calls

Flop ($2.10)
A K Clubs 4 Clubs

BB checks, CO bets $2, BB raises to $6, CO Calls

Turn ($14.10)
4
BB bets $5, CO calls

River ($24.10)
8 Clubs
BB bets $5, CO raises allin $18, BB calls $13