How much did fries cost at mcdonalds in he 1950s?

All 9 menu items from the original restaurant in Des Plaines, Illinois:

French Fries - 10 cents

Hamburgers - 15 cents

Cheeseburgers - 19 cents

Milkshakes (chocolate, vanilla, strawberry) - 20 cents

Coffee - 10 cents-

Milk - 10 cents

Orange Ade - 10 cents

Root Beer - 10 cents

Coca-Cola - 10 cents