[Solved] How did the International Olympic Committee (IOC) confirm the sex of female athletes until 1968? A) The athletes had to parade nude in front of female judges. B) Blood samples were taken and chromosomes compared. C) The committee just took the athlete's word for it. D) Athletes had to submit to frisking and pat downs. Profit per Unit: The financial gain obtained on each unit sold, calculated by subtracting the cost per unit from the selling price per unit. Demand Curve: A graph showing the relationship between the price of a good and the quantity of that good consumers are willing to purchase at various prices. Marginal Cost Curve: A graphical representation that shows the change in the total cost of producing one more unit of a good. Price Elasticity: The influence exerted by price variations on the demand level of a specific good quantified.