app/code/Magento/Catalog/Block/Product/View/Options.php

...agento/LayeredNavigation/view/frontend/layout/1column.xml

.../LayeredNavigation/view/frontend/layout/2columns-left.xml

...LayeredNavigation/view/frontend/layout/2columns-right.xml

...gento/LayeredNavigation/view/frontend/layout/3columns.xml

...nto/LayeredNavigation/view/frontend/layout/page_empty.xml

...o/LayeredNavigation/view/frontend/page_layout/1column.xml

...redNavigation/view/frontend/page_layout/2columns-left.xml

...edNavigation/view/frontend/page_layout/2columns-right.xml

.../LayeredNavigation/view/frontend/page_layout/3columns.xml

...nto/LayeredNavigation/view/frontend/page_layout/empty.xml

...o/Tax/CustomerData/CheckoutTotalsJsLayoutDataProvider.php

...nto/Tax/Model/Calculation/AbstractAggregateCalculator.php

...code/Magento/Tax/Model/Calculation/AbstractCalculator.php

...code/Magento/Tax/Model/Calculation/UnitBaseCalculator.php

app/code/Magento/Tax/Model/Sales/Total/Quote/Tax.php

...del/Calculation/RowBaseAndTotalBaseCalculatorTestCase.php

...Tax/Test/Unit/Model/Calculation/RowBaseCalculatorTest.php

...x/Test/Unit/Model/Calculation/TotalBaseCalculatorTest.php

...ax/Test/Unit/Model/Calculation/UnitBaseCalculatorTest.php