Use the Five-Step Strategy for Solving Word Problems to Find $\$ 349$

Use the five-step strategy for solving word problems to find the number or numbers described in the following
exercise.
-An auto repair shop charged a customer $\$ 349$ to repair a car. The bill listed $\$ 99$ for parts and the remainder for labor. If the cost of labor is $\$ 50$ per hour, how many hours of labor did it take to repair the car?

A) 5 hours
B) 4 hours
C) 6 hours
D) $5.5$ hours