Suppose that the distribution of sales within an industry is as shown in the table.

Part $2$

What is the$$ four$-$firm concentration ratio for this$$ industry?

$$

enter your response here$\%.($Enter your response as a whole$$ number.$)$

$.$

$.$

$.$

Question content area right

Part $1$

Firm

Share of Total Market Sales

A

B

C

D

E

F

G

H

All Other

Total

$100\%$