How much does it cost to mail a package weighing 10.4 oz?

The cost to mail a package weighing 10.4 ounces varies depending on the shipping service and the destination. For example, using USPS First-Class Package Service, the cost typically ranges from around $4 to $8, depending on factors like package dimensions and service options. It's best to check the USPS website or visit a local post office for the most accurate and current pricing.