Answer:
D. There will be a greater quantity of computer operating systems available in the market.
Explanation:
The only certain consecuence of more producers entering the market is that there will be a greater quantity of the good or service in the market.
From the price perspective: product price tends to fall or rise.
As more competitors enter a market the price of the product tends to fall because the producers will look for a cheaper price than the prices existent for computer operating in order to capture more clients. But at the same time the already stablished producers will look for differentiation factors and will increase the price of the systems.
