Which of the following is an example of a KPI?

A Key Performance Indicator (KPI) is a measurable value that demonstrates how effectively a company is achieving its key business objectives. The example of the top 5 best-selling products is indicative of how well a company’s products are performing in the market. This information is crucial for assessing sales strategies, inventory management, and overall business performance, as it directly relates to a company's goal of maximizing revenue through product sales.

On the other hand, while the number of new hires, social media posts, and total amount of advertising spend are all measurable data points that may provide insight into various operational aspects, they do not directly reflect the effectiveness of achieving core business objectives like the sales of products do. For instance, new hires may be necessary for expansion, but the number alone does not assess success in terms of sales performance. Similarly, social media posts can indicate engagement but are not metrics that directly correlate with vital business outcomes like revenue or market position. Advertising spend indicates investment but does not specify the effectiveness of those efforts in driving sales. Therefore, the top 5 best-selling products is the clear example of a KPI, as it provides critical insight into sales performance and overall business success.