Explanation should include

return on investment (ROI)—the amount earned as a result of investment; yearly net profit/startup investment x 100 = ROI %
return on sales (ROS)—a ratio expressing a company’s operational efficiency, showing how much of each dollar of sales the business keeps as profit, also known as profit margin; yearly net profit/total sales x 100 = ROS %
customer acquisition costs (CAC)—the cost associated in persuading a customer to buy a product/service; incurred by the organization to convince a potential customer
customer retention costs (CRC)—the cost of keeping an existing customer purchasing
lifetime value (LTV)—the prediction of the net profit attributed to the entire future relationship with a customer
social return on investment (SRI)—assessment used to evaluate effect of stakeholders, identify ways to improve performance, and enhance the performance of investments.

Process/Skill Questions: