Which of the following is true when someone accidentally makes an improvement to the personal property of another where the owner was unaware of the improvement until after it had been made?

A. The property owner gets to keep the improvement in all circumstances and is not required to pay for it.
B. The property owner gets to keep the improvement in all cases, but must pay the party who improved it the reasonable value of the improvement.
C. The party who made the improvement can remove it if this is possible, otherwise the owner of the property gets to keep the improvement and is not required to pay for it.
D. The party who made the improvement can remove it if this is possible, otherwise the owner of the property gets to keep the improvement and must pay the party who improved it the reasonable value of the improvement.