Table 252 Refer to Table 25

Multiple Choice

$$\begin{array}{l}\begin{array} { l l r } \text { Pool Sweeper } &\text { Output } &\text { Market share } \\\text { Producer }&\text { (Revenue) }&\text { (percent) }\\\hline \text { North Star } & \$ 20,000 &\_\_\_\_\_\\\text { Hurricane } & \$ 16,000 &\_\_\_\_\_\\\text { Blue Lagoon } & \$ 2,000 &\_\_\_\_\_\\\text { Clean Sweep } & \$ 2,000&\_\_\_\_\_\\\end{array}\end{array}$$
Table 25.2 Refer to Table 25.2.Assume there are only four firms in the pool sweeper industry.What is the Herfindahl-Hirschman Index for this industry?

A) 2,500.
B) 50.
C) 4,150.
D) 4,125.