In 1987, a factory produced $18,500$ screws. In 1988 the factory could only 15,000 screws. What is the percentage of decrease in production from 1987 ?

Question

$\begin{array}{1 1} (a)\; 12\% \\ (b)\; 15\% \\ (c)\; 18\% \\ (d) \; 19\%\end{array}$