1. Why may a food shop charge higher prices than supermarkets for ‘essential items’ and yet very similar prices for delicatessen items?\n2. Which of th
1. Why may a food shop charge higher prices than supermarkets for ‘essential items’ and yet very similar prices for delicatessen items?
\r\n2. Which of these two items is a petrol station more likely to sell at a discount: (a) oil; (b) sweets? Why?