Profitable shopping calculator

"The Pauper" program is designed to save cents but allows you to spend as wisely as possible. It is no secret that most food producers, especially in times of crisis, are trying to use legal means to deceive buyers and sell their products at a higher price. Sunflower oil is listed as 800 ml, not a liter; beer 430 ml., not 500; etc. When a customer sees rows of price tags for products with different weights, the brain simply stops understanding what is profitable and what is not. To make life easier for customers, the "The Pauper" program was developed. The most simplified interface allows, for example, to quickly compare the prices of a dozen cheeses; find out how much a large can of beer would cost, knowing only the price of a small one.