How to store price history?

Question

Database design

For example, we have 1000 outlets, they all sell the same goods T1, T2, T3, T4, T5
Prices for goods are different, prices at different outlets may be different, prices may change at different intervals.
Tell me how the tables should look like to store such a data set? Provided that we need to know the current price/s for the product/s

Answer 1

as an option:
link to the product / link to the store / price / date

Answer 2

Магазин:
 ...

Товар:
 ...

Цена:
 магазин  = ForeignKey(Магазин)
 цена = ForeignKey(Цена)
 дата_время