Gretchen starts to save at age 20 for an extended vacation around the world that she will take on her 40th birthday. She will contribute $1000 each year to the account, which earns 1.75% annual interest, compounded quarterly. What is the future value of this investment when she takes her trip?
A. $21,075.22
B. $23,884.84
C. $25,721.57
D. $32,066.31