Andrea, a widow, died in Ontario leaving her estate of $300,000 to her 3 children in equal shares per stirpes. Each of the 3 children had 2 children each. Unfortunately, while Andrea was on her death bed, Sam, one of her children, died suddenly in a car accident. Sam's children each will inherit:

a) $100,000

b) $0

c) $50,000

d) $75,000