In the post-acquisition phase, integration is crucial. What is the most optimal way to integrate acquired firms? a. Take the "high road" to integration in which the firms are derived synergies and reduced cost is well known. b. Take the "low road" to integration in which the acquirer deliberately allows the acquired company to retain autonomy and then gradually encourages interaction and integration between the two sides. c. Take the "low road" to integration in which the acquirer acts quickly and aggressively to impose its systems and rules on the acquired firm. d. Take the "high road" to facilitate goodwill between both sides