Arbitrage Detective IV

There are five options on the $TSLA$ options chain right now, all of which are expiring at the end of the month, and with strikes $165$ , $170$ , $175$ , $180$ , and $185$ . Suppose the put options respectively cost $â¬9$ , $â¬12$ , $â¬14$ , $â¬14.5$ , and $â¬15$ and the call options cost $â¬15$ , $â¬14$ , $â¬13$ , $â¬12$ , and $â¬9$ . Is there an arbitrage opportunity? If so, enter the minimum amount you are guaranteed to make, if no opportunity exists, enter $-1$ .

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