How much does this cost to the nearest dollar?

Livatro Kids BPA FREE Humidifier with Diffuser, Ultrasonic Quiet Air Humidifiers for Baby Kids Bedroom Nursery with Night Light, Timer and Auto-Shut Off, Last up to Dinosaur with Fun Stickers
SAFE & HEALTHY This humidifier for baby is made of BPA-free material, keeping infants and children healthy. The cool mist humidifer helps relieve dry skin, coughing and more. Device will automatically shut down when out of water, and is safe to use in baby rooms, bedrooms and nurseries. 3-IN-1 Humidifier comes with an essential oil diffuser and soft night-light, suitable for the bedroom/nursery to create a comfortable and warm atmosphere. Our cool mist humidifier can drop essential oil directly into the water tank, filling your home with fragrant and humid air.

Price is $40.00

Price: $39.99