How much does this cost to the nearest dollar?

DEMETECH D95 Particulate Respirator Face Mask, Fold Style with Ear Loops, Made in the USA, Box of 20
Earloop closure DISPOSABLE PARTICULATE RESPIRATOR At DemeTECH, your safety is our top priority. Our American-made particulate respirator mask uses only the highest-quality materials and slides over your ears to stay securely in place. 5 LAYERS WITH FILTRATION Our fold-style filtered face mask is made of 5 layers of material and has 2 filtration layers that filter >95% of airborne particles. It has an exhalation resistance rate of less than 35 mm H2O and an inhalation resistance rate of less than 25 mm H2O. COMFORTABLE & BREATHABLE This

Price is $40.00
Price: $39.99