What is gross domestic product? How well does it measure what it is intended to measure? 2.Define countertrade and explain its impact on a nation’s economy. 3.How does a merger differ from an acquisition? What are the three basic types of mergers, and how do they differ? Identify a reason why firms might pursue each type of merger. 4.Define activity-based costing and describe its two-stage process. 5.What role does a factor play in providing short-term financing to a firm? Why would firms that rely heavily on credit sales find factoring attractive?