The Board of Directors for the Pangaea Conservancy are concerned that the aggregate ecological scores are lower in the analysis than desired. They would like to see that the selected parcels achieve a minimum value of 500 for the Ecological Score. Which method-Benefit Targeting, Cost Effective Analysis or Binary Integer Programming- is best able to solve this problem? Using your preferred technique, identify a solution that addresses this concern while continuing to maximize the weighted total of the eco- logical score and scenic values given a budget of $25 million. Discuss the advantages and disadvantages of adding this type of minimum value threshold.