The monthly costs of daycare services in a community have the following statistics: Statistics Cost ($)
Lowest $580
Quartile 1 $650
Median $780
Quartile 3 $840
Highest $975

A daycare cost is considered an outlier when the cost exceeds ___________
a) $1,125
b) $1,030
c) $1,250
d) $285
e) $840