Cohens-d coefficient with pooled standard deviations

#1
Hi guys. I need help...My answer was 0.33. However, my teachers said it's 0.35. Who was right? The problem is below:

Calculate Cohens-d. Use effect size calculator. Do not round the coefficient when entering into the calculator. Report to two decimals. Screen Shot 2018-06-02 at 5.54.22 PM.png