The smallest three-digit number is $107$ and the largest one is $800$. $107+800=907$ 
The sum of the smallest three-digit numbers whose digits add up to $$8$$ and the largest three-digit numbers whose digits add up to $$8$$ is equal to~\uline{~~~~~~~~~~}~. ($$2011$$ Math kangaroo Problems, Level $$7-8$$, Question \#$$10$$) 
Options:
[a] $$707$$ 
[b] $$907$$ 
[c] $$916$$ 
[d] $$1000$$ 
[e] $$1001$$ 