Alvarez AJ60SC 12 I Want To Sell My Guitar On EBay But How Do I Find Out How Much The Shipping Will Cost?

I want to sell my guitar on eBay but how do I find out how much the shipping will cost? - Alvarez AJ60SC 12

I am selling my acoustic guitar, a AJ60SC Alvarez, and wanted to know how I know at what price for shipping.
Thank you in advance.