A buyer's premium (https://en.wikipedia.org/wiki/Buyer%27s_premium https://en.wikipedia.org/wiki/Buyer%27s_premium for background, https://www.sothebys.com/en/b

A buyer's premium (https://en.wikipedia.org/wiki/Buyer%27s_premium https://en.wikipedia.org/wiki/Buyer%27s_premium for background, https://www.sothebys.com/en/buy/auction/2021/the-constitution-of-the-united-states-sold-to-benefit-the-dorothy-tapper-goldman-foundation?showDetails&locale=en https://www.sothebys.com/en/buy/auction/2021/the-constitutio... for the details) ? Some quick and dirty maths suggest the final price to be $48,522,000.00