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Add-on feature will help you add extra fee for options customer choose

In Option Sets editing, click on the Option you want to add an additional price

Choose "Extra fee" on the Add-on and fill in the price for each option value

Click Save the option set and Recheck on the product page. When selecting the option has price add-on, it will add additional price

If you want the total product price to increase when choosing the option add-on, you can install "Show updated total price with add-ons" in the Advanced features:

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