An employee of Mirae Stack Co. is displaying a small can compression and recycling machine. The price of the machine is 700,000 won. The company buys 1kg of aluminum cans for 850 won and 1kg of metal cans for 90 won.
An employee of Mirae Stack Co. is displaying a small can compression and recycling machine. The price of the machine is 700,000 won. The company buys 1kg of aluminum cans for 850 won and 1kg of metal cans for 90 won.