Firstly, as an attacker the miniscule difference in IV will not make a noticable difference in performance.
If you are interested in the best CP then use this link, and you can work it out for yourself...for this instance and every other time you have the same issue
https://pokemongo.gamepress.gg/cpcalc#/
Feed a man a fish and he will eat for a day...teach him how to fish and he will eat forever.