As a Product Manager at Capital One, I would utilize a range of financial metrics to assess the financial performance in the first year following the launch of a new product. First, I would look at Revenue, which reflects the income generated from product sales or usage, giving an overall view of the product's market success. Next, I would analyze the Net Profit Margin, the ratio of net profits to revenues, which indicates how effectively the product is generating profit. Moreover, I would take into account metrics such as Cost of Goods Sold (COGS) and the Operating Expense Ratio (OER) to evaluate cost efficiency. Tracking Return on Investment (ROI) would also be crucial, as it compares the return on the investment to the investment cost. This information would help assess the product’s financial health and its potential for future growth. By consistently monitoring these metrics, we could identify any negative trends early and implement corrective measures.