This report provides a comprehensive analysis of business decision-making processes for a restaurant expansion. It begins with a plan for data collection, encompassing both primary (questionnaire survey) and secondary sources (historical sales and profit data). The report details the survey methodology, sampling frame, and questionnaire design to understand customer preferences. Task 2 focuses on data analysis, including creating information for decision-making by summarizing the data using representative values (average, median, mode), measures of dispersion (range, standard deviation), and correlation analysis. It also explains how quartile, percentiles and correlation coefficients are used to draw conclusions. Task 3 involves producing graphs using spreadsheets, creating trend lines for forecasting, and preparing a business presentation and a formal business report. Finally, Task 4 uses information processing tools, project planning techniques (critical path analysis), and financial tools to support decision-making, particularly in the context of investment appraisal. The conclusion summarizes the key findings and recommendations for the restaurant's expansion strategy.