Anselma puts 1/8 of her monthly paycheck in a retirement account. Her paycheck this month was $ 3,850. Which expression could be used to determine the amount of money Anselma will have left from her paycheck after taking out the retirement money?

A. 0.125 (3,850)
B. 3,850 - 0.125 (3,850)
C. 3,850 - 1.25 (3,850)
D. 3,850 - 0.8 (3,850)