How much does this cost to the nearest dollar?

Hitec RCD 33045S AGTT Feather Servo
From the Manufacturer Hitec's offers the economy and durability of our other famous micro servos, but now with a ball bearing supported output shaft and Karbonite gears. Features Specifications Motor Type 3 Pole Bearing Type Top Ball Bearing Speed sec @ 60 deg. Torque oz./in. 14/17 Torque kg./cm. Size in Inches Size in Millimeters Weight ounces 0.28 Weight grams 7.94 Advanced Servo Specifications Control System +Pulse Width Control Neutral Operating Voltage Range 4.8V - 6V Operating Temperature Range -20°C to +60°C (-4°F to Idle Current 8mA No Load Running Current Stall Current 440mA Dead Band Width 

Price is $21.00
Price: $21.49