Sallie makes candles using different scents. She sells each candle for $8 on her website. She writes the equation y = 8x to determine how much money, y, she earns from selling x candles. What does the independent variable represent in this situation? A The number of scents B The number of candles Sallie sells C The cost of each candle Sallie sells D The total amount of money Sallie earns selling candles