Appreciation of Assets: The value of a certain rare book doubles every 10 years. In 1900, the book was worth $100. How much was it worth in 1930? In 1990? What about the year 2000? Choose the correct option:

a) $200 in 1930, $400 in 1990, $800 in 2000
b) $300 in 1930, $600 in 1990, $1200 in 2000
c) $400 in 1930, $800 in 1990, $1600 in 2000
d) $500 in 1930, $1000 in 1990, $2000 in 2000