American Betting - Dice #7

You have a bankroll of 4000 dollars at a fairground stall.

The stallholder rolls a single fair six-sided die.

You may bet on the event that the die shows a 6. The stallholder offers you American odds of +800 on this bet. American odds quote the payout against a 100 reference: a line of $+M$ means a stake of 100 wins a profit of $M$, and a line of $-M$ means you must stake $M$ to win a profit of 100. When you win you keep your stake plus the profit; when you lose you lose the stake.

Using the Kelly criterion (bet a fixed fraction of the bankroll, chosen to maximise the long-run growth rate of the bankroll), how many dollars of your 4000-dollar bankroll should you stake? Give the answer as an integer number of dollars.