The price of a pair of headphones is $49.99 before tax. ron bought the headphones for a 50% discount. he then paid sales tax of 8% on the discounted price. part a: how much did ron pay in sales tax? show all work and steps in your solution. (5 points) part b: what is the total amount that ron paid for the headphones? show all work and steps in your solution. (5 points)