6. Application Toward the end of the year, to make room for next year's models, a car dealer may decide to drop prices on this year's models. Imagine a car that has a sticker price of $20,000. The dealer lowers the price by 4% each week until the car sells. a. Write a recursive rule to generate the sequence of decreasing prices. b. Find the 5th term and explain what your answer means in this situation. c. If the dealer paid $10,000 for the car, how many weeks would pass before the car's price would produce no profit for the dealer?