Bob is choosing a payment plan for his new car. Plan A lets him pay $$6,000$ today, $$2,000$ one year from now, and $$2,000$ two years from now. Plan B lets him pay $$5,000$ today, $$4,000$ one year from now, and $$1,000$ two years from now. Plan C lets him pay $$4,000$ today, $$3,500$ one year from now, and $$2,500$ two years from now. Assuming Bob could earn $6$ percent on his money, which plan should he choose?

Plan C

Plan B

Plan A

All three options are equally attractive.