Calculate the price per unit which one is the cheapest to buy (out of 2 or 3 or 4 types) and how much cheaper, how many % how to use - Enter product price and number of units to compare. - Press Calculate to compare unit prices. The app will summarize which products are the cheapest per unit. and cheaper than how many baht per unit Or how many % is it cheaper? In addition, it also concludes that if you buy the cheapest one, how many baht will you save? Note: This app is for preliminary decis