Answer:Parents will loose the value of their share
Step-by-step explanation:
It is given that twenty years ago Parents invested in Apple and if the apple declares bankruptcy, your Parents will lose the value of their share because after declaring bankruptcy apple share will dissolve and shareholders have no more hold on these shares. Parents might have gain money in the past through the Apple shares but if Apple declares bankruptcy then the value of shares will be dissolved and hold by owners is seized i.e. they no longer can take benefit from Apple shares.