A bottle of perfume is marked up by $100. During a sale it is discounted by $25 dollars. It is known that 30% of the bottles sold will be on sale. Which of the following is a true statement? 75 percent of the bottles will be marked up by $25. 75 percent of the bottles will sell for $100. 30 percent of the bottles will sell for $100. 30 percent of the bottles will be marked up by $75.