[
{
"total_with_tax": 55.00000000000001,
"discount_applied": 50,
"doubled_items": [2.0, 4.0, 6.0],
"tier": "bronze"
},
{
"total_with_tax": 165.0,
"discount_applied": 135.0,
"doubled_items": [20.0, 40.0],
"tier": "silver"
},
{
"total_with_tax": 275.0,
"discount_applied": 225.0,
"doubled_items": [200.0],
"tier": "gold"
}
]