By Lucy Marshall A mum declared “the world has gone mad” after she bought a box of her children’s favourite cereal and found a “half empty” bag inside. Shoppers have been noticing increases in the prices of everyday items at the supermarket, with more and more items falling victim to “shrinkflation” \- including yoghurts, sweets, chocolate, and crisps. Customers have been left furious after being charged the same amount of money for products that have been cut short of their regular amount. One Australian woman, Renne, was left outraged when she paid $10 (£5) for a box of infamous Froot Loops….