Four out of the six main supermarkets have seen price rises on basics this week as the cost of milk continues to soar.
Our weekly comparison of essentials like bread and butter has been keeping track of the costs of the same eight products at the six main supermarkets since March and this week there have been further rises.
The main one is the cost of milk, which has risen at Aldi, Asda, Lidl and Sainsbury's, from £1.15 for a two-pint bottle, to £1.25.
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Morrisons had already raised its milk to the same price and while Tesco has so far kept its down at £1.15, its Aldi Price Match will likely mean it increases there too.
Earlier this week we reported how the cost of milk in some places - as much as £1.05 for a single pint - means it's working out more expensive for shoppers than petrol.
In fact over the past year, milk prices have soared by two-thirds, with British magazine The Grocer declaring that 'dairy is at the sharp end of food and drink price increases, with milk leading the charge'.
It is cheaper to buy milk in bigger quantities, but it may not be practical for those living alone, the elderly and those who do not use a lot of milk as the product can go off if bought in bulk.
Milk isn't the only increase in this week's comparison though. Lidl, which is still working out cheapest for the full shopping basket at £10.37, has increased the price of its coffee from £1.69 to £1.89. And Sainsbury's has put the price of its budget beans up from 21p a tin to 25p.
Morrisons has once again kept its place as the most expensive retailer, at £12.22 for the eight items. It's followed by Sainsbury's at £11.12, Asda at £10.98, Tesco at £10.85 and Aldi
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