A/B ratio

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-27-224029-84e1feb-016920#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-27-224029-84e1feb-016920#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-27-224029-84e1feb-016920#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-27-224029-84e1feb-016920#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-27-224029-84e1feb-016920#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-27-224029-84e1feb-016920#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-27-224029-84e1feb-016920#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-27-224029-84e1feb-016920#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-27-224029-84e1feb-016920#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-27-224029-84e1feb-016920#ico_minus">