Aaron Is a Self-Employed Practical Nurse Who Works from His

Aaron is a self-employed practical nurse who works from his home. He provides nursing care for disabled persons living in their residences. During the day, he drives his car as follows. $\begin{array}{lc}&\text { Miles }\\\text { Aaron's home to patient Louise } & 12 \\\text { Patient Louise to patient Carl } & 4 \\\text { Patient Carl to patient Betty } & 6 \\\text { Patient Betty to Aaron's home } & 10\end{array}$ Aaron's deductible mileage for each workday is:

A) 10 miles.
B) 12 miles.
C) 20 miles.
D) 22 miles.
E) 32 miles.