A quality control manager of a factory finds 10 imperfect screws out of every 100 screws produced. At this rate, how many screws will be imperfect if the factory produces 20,000 screws ?

Question

$\begin{array}{1 1} (a)\; 200 \\ (b)\; 2000 \\ (c)\; 10,000 \\ (d)\; 15,000 \end{array}$