According to the given assignment content, it is stated that NPV (Net Present Value) of Cuba is the lowest negative value, making it a viable option for the business firm. Internal rate of return is also low for Cuba, implying its viability compared to other options. The conclusion drawn from this study emphasizes the importance of considering test, preferences, and behavior of consumers before making new products. Additionally, investment appraisal tools are essential for supporting organizations in making sound judgments about investments that can lead to high profits.