There are $0+5+2+10=17$ points more than the average, so the last score is $80-17=63$. 
Five people took the same test and got an average score of $80$. Four of the people scored $80$, $85$, $82$, and $90$, respectively. What is the score of the remaining person? 
Options:
a. $$80$$ 
b. $$76$$ 
c. $$73$$ 
d. $$63$$ 
e. $$56$$ 