A best bet is the Calvin Klein Women's IN2U 5-oz Eau De Toilette Spray (pictured) for
$36.62 with free shipping. That's the lowest total price we could find by $10. It features fragrances of redcurrant leaves, Sicilian bergamot, pink grapefruit fizz, sugar orchid, and more. Update: It's now $37.03 $36.64 $37.05.
Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months. (Note that currently there's a waitlist for Amazon Mom.)