Final answer:
The last step in Hal's marketing research study is likely to be effectively communicating the results to decision makers, which is crucial for strategic implementation.
Step-by-step explanation:
Hal and his team are involved in a marketing research study aimed at expanding their company in the Eastern European region. The last step in Hal's research effort is most likely to be effectively communicating the results to the decision makers.
This involves presenting the analyzed data, interpreted results, and summarizing the findings in a clear and actionable manner to those who will make the strategic decisions based on the research. Communication is key to ensuring that the research efforts are understood and utilized properly.