Is the underlined possessive noun singular or plural? the horses' barn

werwgef

explanation:

sdfgsdvsdfvscxxc

c

v

cx

v

s

dvfs

according to the college board, the average cost of tuition and fees for the 2017–2018 school year was $34,740 at private colleges, $9,970 for state residents at public colleges, and $25,620 for out-of-state residents attending public universities.