Custom option prices being incorrectly added

[gibkigonzo]

Current behavior

Product with custom option shows incorrect prices based on selected options. In 1.10 selecting different checkboxes show wrong price (its fixed in #3694). In 1.11 price doesn't change at all.

Expected behavior

Price on product page with custom options should be showed proper to selected options.

Steps to reproduce the issue

1. Go to https://demo.vuestorefront.io/gear/gear-3/wayfarer-messenger-bag-custom-options-4.html

2. try to change checkboxes

3. price should change in weird way

4. Go to https://next.storefrontcloud.io/gear/gear-3/wayfarer-messenger-bag-custom-options-4.html

5. change options

6. price doesn't change

Can you handle fixing this bug by yourself?

• YES
• NO

Which Release Cycle state this refers to? Info for developer.

Pick one option.

• This is a bug report for test version on https://test.storefrontcloud.io - In this case Developer should create branch from develop branch and create Pull Request 2. Feature / Improvement back to develop.
• This is a bug report for current Release Candidate version on https://next.storefrontcloud.io - In this case Developer should create branch from release branch and create Pull Request 3. Stabilisation fix back to release.
• This is a bug report for current Stable version on https://demo.storefrontcloud.io and should be placed in next stable version hotfix - In this case Developer should create branch from hotfix or master branch and create Pull Request 4. Hotfix back to hotfix.

[gibkigonzo]

Here is more info https://forum.vuestorefront.io/t/custom-option-prices-being-incorrectly-added-on-page-load/1082