KöMaL 2009 C1003

A wholesale merchant sells drugstore products and stationery. He has a container of volume 12 $m^3$ that has a capacity of 5 tonnes of goods. One tonne of drugstore products fill up a volume of 1 $m^3$, and a tonne of stationery products take up 3 $m^3$. He makes a profit of 100,000 forints (HUF, Hungarian currency) per tonne on drugstore products and 200,000 forints per tonne on stationery. What is the maximum profit that the merchant can make by selling a container of goods?