How much does this cost to the nearest dollar?

BEYANEE Electric Tankless Water Electric Tank Hot 8L/2.1 Gallon Water Heater Water-Proof Level,Kitchen Household Electrical,Instant Water Heater Under the Sink
HIGH QUALITY & LONG LAST - The mini water heater has UL listed and uses a glass-lined tank with good insulation, and freezing mode can prevent the water tank from freezing, ensure a long service life EASY TO INSTALL & USE - Small water heater's dimensions 9.4 W × 8.6 H × 14.6 D inches can be shelf, wall, or floor-mounted ; Connect the water pipe, after filling the water tank, 22 cord plugs into the power supply and it can be used normally OVERHEAT PROTECTION - When the water temperature of the water heater exceeds 90

Price is $84.00

Price: $83.99