Answer:
The right one is Your last report contained seven errors which I think you could improve.
Explanation:
In performance feedback which is given in a work environment, it is a way to point out to an employee what he or she is doing wrong and the best way it could be improved inorder to get the desired result.
Example, an employee who always make an error in filling a bottled water in a company would be given a feedback on the required level the water should reach before sealing the bottle.
