It would then display
- the original price with a strike through and
- the new price underneath.
For each sale product
- set the sale price as override and
- select Overwrite final.
- the original price (Base price with tax) will have a strike through and
- the Sales price will show.
In the example below the prices selected for display in config are set to
- Baseprice with Tax, but without discounts and
- Final salesprice only.
You can change the price names using language overrides.