Kiona is in fifth grade and goes to a private school. Liam is in his second year at college at a public university. Ava is a senior at a private university. Asher is in high school at a private school. Which best ranks the individuals based on cost from most to least?
A. Liam, Ava, Kiona, Asher
B. Liam, Ava, Asher, Kiona
C. Ava, Liam, Asher, Kiona
D. Ava, Liam, Kiona, Asher