Solve the Problem $\$ 99$ For 3 Days and 300 Miles, While Mary Was Charged

Solve the problem.
-Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $\$ 99$ for 3 days and 300 miles, while Mary was charged $\$ 178$ for 5 days and 600 miles. What does Best Rental charge per day and per mile?

A) $\$ 20$ per day and $13 \notin$ per mile
B) $\$ 13$ per day and $20 \notin$ per mile
C) $\$ 19$ per day and $14 \notin$ per mile
D) $\$ 21$ per day and $14 \notin$ per mile