Corey Is the City Sales Manager for "RIBS," a National

Corey is the city sales manager for "RIBS," a national fast food franchise. Every working day, Corey drives his car as follows:
$\begin{array}{ll}&\text { Miles }\\\text { Home to office } & 20 \\\text { Office to RIBS No. } 1 & 15 \\\text { RIBS No. } 1 \text { to No. } 2 & 18 \\\text { RIBS No. } 2 \text { to No. } 3 & 13 \\\text { RIBS No. } 3 \text { to home } & 30\end{array}$

Corey's deductible mileage is:

A) 0 miles.
B) 50 miles.
C) 66 miles.
D) 76 miles.
E) None of the ahove