A Toy Manufacturer Is Experiencing Quality Problems on Its Assembly

Multiple Choice

A toy manufacturer is experiencing quality problems on its assembly line. Every defective toy that leaves the factory costs the firm $20. The firm has decided to hire quality inspectors to catch defective toys before they leave the factory.

$\begin{array}{ll}\text { Nimber of } & \text { Number of Defective } \\\text { Inspectors } & \text { Toys (per day) }\\0 & 40 \\1 & 24 \\2 & 16 \\3 & 10 \\4 & 6 \\5 & 2 \\6 & 0\end{array}$
-If each inspector is paid $100 a day, how many inspectors should the firm hire to minimize the total cost of defective toys?

A) 3
B) 4
C) 5
D) 6