What the Parents Would Have Decided

Suppose the parents had, at the time of executing the agreement, considered the possibility of Richard's being drafted into the army. Suppose also that considering this possibility does not change their view of the main purpose of the agreement, which remains the maintenance and education of Richard.

Question - Then, insofar as they acted reasonably, the parents would have agreed that...

George should not pay the $1200 if Richard was in the army.

George should pay the $1200 if Richard was in the army.