example_item_set_1.json

[
{
    "benefit": 12,
    "cost": 4
},
{
    "benefit": 32,
    "cost": 8
},
{
    "benefit": 40,
    "cost": 2
},
{
    "benefit": 30,
    "cost": 6
},
{
    "benefit": 50,
    "cost": 1
}
]