Mike and Joe are brothers who often argue about whom is the strongest. While moving a refrigerator, Mike and Joe decide to push against opposite sides of it to see which direction it will move. They begin pushing as hard as they can. Soon, the refrigerator begins to move slowly to the right. Which of the follow statements is true?
A- mike and joe preformed the same amount of work
B- only mike preformed work
C- only joe preformed work
D- neither mike nor joe preformed any work