Condition on the number of $$$20$$ note you use.  $$4$$ gives $$1$$ possibility,  $$3$$ gives $$3$$ possibilities,  $$2$$ gives $$5$$ possibilities,  $$1$$ gives $$7$$ possibilities,  $$0$$ gives $$9$$ possibilities. 
How many ways are there to make $$$80$$ using some combination of $$$5$$, $$$10$$ and $$$20$$ notes? 

[A] $$16$$ 
[B] $$25$$ 
[C] $$36$$ 
[D] $$49$$ 
[E] None of the above 