3. Jackson is Black Friday shopping for a new 12 volt convertible to cruise the streets after nap time. He finds 2 deals: Walmart: 40% off with $12.99 shipping.

Amazon: 35% off with free shipping.

Write a function for each deal for the price of the car after the discount, d(p), where p is the full price of the car. No shiping or taxes

Sales tax on products is currently 8%. Write a function for each deal for the price of the car, t(d), after taxes and shipping, given the discounted price, d.

Write a composition function, t[d(p)], for each deal, for the price of the car after taxes and shipping, given the full price of the car.

If the full price of car was $250, where should Jackson purchase it? Justify your answer.