shardell and marsha are planning a party. Since they are both hosting, they have agreed to split the cost for everything in half. The catering bill is $325, the venue bill is $250, and the DJ is $375. if state tax is9$, what will Shardell's portion cost?

The total cost for everything (catering + venue + DJ) is $325 + $250 + $375 = $<<325+250+375=950>>950.

Given that Shardell and Marsha agreed to split the cost in half, Shardell's portion will be 1/2 * $950 = $<<1/2*950=475>>475.
Including the state tax, Shardell's total portion cost will be $475 + $9 = $<<475+9=484>>484. Answer: \boxed{484}.