You are analyzing $4$ different bonds.

A: pays $$900$ in Year $1$ and $$100$ in Year $2$

B: pays $$100$ in Year $1$ and $$900$ in Year $2$

C: pays $$100$ in Year $1$ and $$900$ in Year $3$

D: pays $$1000$ in Year $3$

Rank from lowest to highest duration.