How much does this cost to the nearest dollar?

Upgraded Lifetime Appliance Knob Compatible with Whirlpool Stove/Range (1)
✅ Part Numbers ✅ WARNING - PLEASE READ Please be aware even though is imprinted on the back of your knob, please confirm the model number and stem length before ordering. The print on the back of your knob may be incorrect. ✅ WARNING - PLEASE READ This knob's stem size is 1/8. ✅ If you are looking for a different stem length it will be either 1/2 inch --OR-- 7/8 inch. If the wrong stem size is chosen, it will not fit or be 90 degrees off on your stove. ✅ Ultra Durable Replacement Knob for Whirlpool Stove/Range Brand Lifetime Appliance Parts, Color Silver,

Price is $8.00
Price: $8.47