$1.3\times 0.8=1.04$ 
The base of a triangle increases by $30\textbackslash\%$ and its height decreases $20\textbackslash\%$ at the same time. The area of the new triangle is~\uline{~~~~~~~~~~}~$\textbackslash\%$ of the original triangle. 
Options:
A: $110$ 
B: $$104$$ 
C: $$84$$ 
D: $$50$$ 