Answer: Puresource Pharma would have to reduce it's cost
Step-by-step explanation:
Horizontal integration could be defined as the merge between two or more companies that carry out similar functions or market in production.
Puresource Pharma would have to reduce it's cost of product and either sell below or same cost as their acquired company's product. This would help promote her market and would give a monopoly for them for the market for both of them.