How much does this cost to the nearest dollar?

Whirlpool Timer Knob
Product Description This is a genuine replacement part. The model number and name for the following item is Whirlpool Timer Knob. From the Manufacturer This is a genuine replacement part. The model number and name for the following item is Whirlpool Timer Knob Manufacturer model # Genuine Replacement Part Whirlpool item Manufacturer model # Genuine Replacement Part Frigidair item Manufacturer Whirlpool, Part Weight 0.01 Pounds, Dimensions 1.5 x 2.5 x 3.5 inches, model number Is Discontinued No, Finish Powder Coated, Shape Whirlpool, Quantity 1, Included Components 1, Rank Tools & Home Improvement Range Replacement Knobs 1491, Available July 30, 2008, Brand Wh

Price is $20.00
Price: $19.63