Traction control cost $100 when it was introduced in 1971 which is ~$567 in today's money. A new traction control system costs £500-£800. Clearly those componen

Traction control cost $100 when it was introduced in 1971 which is ~$567 in today's money. A new traction control system costs £500-£800. Clearly those components aren't as cheap as you might think. When a reporter writes about a cost in a PopSci publication she should be thinking in terms of retail price as her readers will be unless it is explicitly stated.