A company uses a prioritization range of 1-10, in which 10 represents the highest or...

 According to the PMI Professional in Business Analysis objectives and content, the business analyst should recommend the option with the highest functionality score and the lowest cost score. In this case, option A, 1, Custom solution, has the highest functionality score of 10 and the lowest cost score of 1. Therefore, it should be recommended. References:

PMI Professional in Business Analysis objectives and content: PMI-PBA Certification

PMI Professional in Business Analysis reference list: PBA Reference List

PMI Professional in Business Analysis study guide: PMI.com