Dexter found a pair of jeans on sale for 40% off. When he brought it to the register, he discovered that all the store items were on sale for an additional 10% off. He wrote this expression to represent the final cost of the jeans based on the original price, J. (1−0.40)(1−0.10)J When Dexter simplifies this expression, what can he conclude about the sale price of the jeans? A The sale price of the jeans is 4% of the original price. B The sale price of the jeans is 50% of the original price. C The sale price of the jeans is 54% of the original price. D The sale price of the jeans is 69% of the original price.