This assignment requires you to analyze the financial performance of a company over the course of a year (Year 5). You are provided with monthly data on Sales, Cost of Sales, and Gross Profit. Your task is to carefully examine this data to understand the company's revenue trends, profitability, and cost structure. You will need to calculate various metrics such as total sales for the year, average monthly sales, and the overall gross profit margin. This analysis will help you gain insights into the company's financial health and performance.