Just multiply all of them and if you aren’t sure just search up how to find serfsce area
Answer:
9,10,11,12,13,14,15,16,17,18,19 and 29
Step-by-step explanation:
Hope this help!!
7720 + 80x = 3200 + 120x
I think this is correct. Hope it helps!
The top 4 firms have (23 +22 +18 +12)% = 75% of the market.
The 4-firm concentration ratio is 0.75 or 75%.
