The conversation between human and AI assistant.
[|Human|] From the passage provided, extract the cost of the Ryman Auditorium's most recent renovation and expansion.
[|AI|] In 2015, the Ryman underwent another US$14,000,000 (equivalent to $16,004,773 in 2021) renovation and expansion.
[|Human|] 
From the passage provided, extract the cost of the Ryman Auditorium's most recent renovation and expansion.