This report delves into business analytics, employing data analysis, statistical models, and initiative methods to address business challenges. It includes a mathematical model for cost information, profit and loss calculations for DC Ltd., and a five-year projection graph from January 2023. The report critically analyzes cost and revenue behavior in DC Ltd. and in a general context. Furthermore, it calculates the correlation coefficient between advertising and sales for Nice Wear Ltd., presents a scatter diagram to illustrate the relationship between these variables, and analyzes the impact of advertising on sales, providing market tactic recommendations. The report also calculates the break-even point and margin of safety for computer software sales, determines the sales volume needed to achieve a specific profit target, prepares a break-even chart, and analyzes the benefits and limitations of the break-even model, concluding with key findings and references. Desklib offers similar solved assignments for students.