6. Vasya's grandmother loves to pick berries in the forest and then make jam from them. Every weekend she goes by train, spending 200 rubles on tickets and collects 5 kilograms of berries. On the market, you can buy a kilogram of berries for 150 rubles, and sugar for 54 rubles per kilogram. From one kilogram of berries and 1 kilogram of sugar, 1.5 kilograms of jam can be made. Ready-made jam can be bought for 220 rubles per kilogram. What is cheaper for Vasya's grandmother:
1) Picking berries, buying sugar, and making jam;
2) Buying berries and sugar, and making jam;
3) Buying ready-made jam;
4) All of the above options are equally cost-effective.