How much does this cost to the nearest dollar?

Jetec 4 Pack Black Control Knobs Replacement with 12 Adapters for Oven/Stove/Range
4 Pack black control knobs replacement with 12 adapters for oven/ stove/ range Features Made of quality material ABS plastic, these knobs and adapters have been well inspected and test by manufacturer. Work with Works with many brand stove, range and oven, great for RVs, campers, camping appliances, etc. Specifications Material ABS plastic Quantity 16 pieces Color black Knob outer diameter approx. 1.54 inch/ 39 mm Knob height 1.02 inch/ 26 mm Knob inner diameter 0.43 inch/ 11 mm Inner diameter of adapters short adapter approx. 6 mm/ 0.24 inch; long adapter approx. 8 mm/

Price is $13.00

Price: $12.99