The expression 0.9(p−15)+0.05p represents the final price of a chair after two discounts were taken and a delivery fee. the delivery fee is added to the discounted price after the first two discounts. the variable p represents the price of the chair before discounts and fees are applied. which statements are true? select each correct answer. the delivery fee was 5% of the original price. the price of the chair was first reduced by $15. the delivery fee was 15% of the original price. the price of the chair was first reduced by 10%.