How much does this cost to the nearest dollar?

General Electric Dishwasher Cleaner
Product Description This is a genuine replacement part. The model number and name for the following item is General Electric Dishwasher Cleaner. From the Manufacturer This is a genuine replacement part. The model number and name for the following item is General Electric Citric Acid. This is a genuine GE Original Equipment Manufacturer (OEM) part Compatible with various GE (General Electric) models This Dishwasher Cleaner, is for GE dishwashers Follow the instructions in the owner's manual when installing this part Manufacturer General Electric, Part Weight 3.2 ounces, Dimensions 1.5 x 2.5 x 3.5 inches, Country of Origin China, model number Size 1 Count (Pack of 1), Quantity 1, Rank Tools & Home Improvement Dryer Replacement

Price is $21.00
Price: $20.7