which is the grammatically and mechanically correct option? i will add up all the salaries and divide by the total number of items, i will give you the mean be careful when interpreting the mean because it might be misleading. i will add up all the salaries and divide by the total number of items. i will give you the mean, but be careful when interpreting the mean because it might be misleading. i will add up all the salaries and divide by the total number of items, i will give you the mean, but be careful when interpreting the mean because it might be misleading.