The MegaTek Corporation is displaying its distribution of employees by department in a circle graph. The size of each sector of the graph representing a department is proportional to the percentage of total employees in that department. If the section of the circle graph representing the manufacturing department takes up 72° of the circle, what percentage of MegaTek employees are in manufacturing?	Choose the correct choice from the following answers:
A) 20 % B) 25 % C) 30 % D) 35 % E) 72 %

Rationale: "72 ° divided by 360 ° equals 0.2 , therefore the sector is equal to 20 % of the total answer : a"
Answer: A