How much does this cost to the nearest dollar?

HOLMES Lampari 2 in 1 3.5mm Headphone Jack aux Cable Adapter Compatible with Phone Pack)
Product Description (3 pack) Lampari 2 in 1 3. 5mm headphone jack aux cable adapter compatible with Phone Amazon.com This double window fan can draw in fresh, cool air from the outside or exhaust stale, hot air from inside a house, garage, or workroom. Or, because of the independent draw-in and exhaust-out settings, it can do both simultaneously. All it takes is a flip of a couple of switches. And because the unit is made of lightweight plastic, you can move it easily from room to room. Designed to fit double-hung, vertical slider, and casement windows, the fan comes with a built-in 

Price is $28.00

Price: $27.98