DEF, Inc. wants to conduct a spend analysis to identify opportunities for cost savings through service standardization. In this context:

Option A, analyzing pricing for alternative travel modes such as rail and air, is crucial. Understanding the cost differences between various modes of transport can help DEF, Inc. identify the most cost-effective options and standardize services based on cost efficiency.

Option B, labor rates for frequently utilized locations, while important, is more relevant to operational costs rather than transportation cost savings.

Option C, local laws and regulations regarding transportation, is necessary for compliance but not directly related to cost savings through standardization.

Option D, pricing at international locations, is also important but might not provide the immediate opportunities for cost savings through standardization in the immediate area.

Therefore, analyzing pricing for alternative travel modes will offer the most significant insights for cost-saving opportunities.

References:

Spend analysis methodologies in logistics.

Research on cost-saving strategies through transportation mode comparison.