How much does this cost to the nearest dollar?

Woljay Float Switch 20 ft / 6M Cable, Septic System, Sump Pump, Water Level Controller for Tank Pump
Woljay Float Switch 20 ft / 6M Cable, Septic System, Sump Pump, Water Level Controller for Tank Pump Rated up to 250 Volt operations at up to 16 Amp Normally open and normally closed (empty and fill) operations Working temperature 0°C ≤ water temperature ≤ 80°C Total Cable length About 20 ft / 6 Meter Manufacturer Woljay, Part THV-6, Is Discontinued No, Style Above Ground, Voltage 250 Volts, Rank Tools & Home Improvement Water Pump Accessories 1204, Available February 8, 2017, Brand Woljay

Price is $21.00

Price: $21.35