Pocari 15L Convenience Store Price 3,600 won
It takes 13 minutes to get to the convenience store, 4 minutes to pick and pay, 13 minutes to come, 30 minutes in total
30 minutes is worth 
In the era of hyperinflation, you get 30,000 won per hour just by frying potatoes at McDonald’s
The value of 30 minutes is 15,000 won
In other words, the cost of going to the convenience store to buy Pocari Sweat is 15,000 won, 3,600 won = 1,8600 won
On the other hand, if you order online, 
Currently, the lowest price on the Internet is 22550 won for 12 bottles of Pocari 15L
That’s also a free delivery, so if you just touch your smartphone at home, it’s a waste of time to bring it to my door. x
It’s 18791666666 won per bottle of 15L
It’s 1,800 won
If you drink Pocari, which is 1,800 won, at a convenience store, you can drink it 10 times more than 1,8700 won
You’re really a donation angel, Kim Jang Hoon