MYR Округление валюты

Нужна помощь в округлении денег до 0,05 на языке js.

Вход и ожидаемый результат:

1.10 => 1.10
1.11 => 1.10 (round down)
1.12 => 1.10 (round down)
1.13 => 1.15 (round up)
1.14 => 1.15 (round up)
1.15 => 1.15
1.16 => 1.15 (round down)
1.17 => 1.15 (round down)
1.18 => 1.20 (round up)
1.19 => 1.20 (round up)

От кого: https://www.bnm.gov.my/misc/-/asset_publisher/2BOPbOBfILtL/content/frequently-asked-questions-faqs-on-rounding-mechanism