{ "fields": [ { "label": "Enter single briquet cost ($):", "id": "enter_price_per_briquet", "type": "input" }, { "label": "Cost per day:", "id": "", "type": "output", "formula": "({enter_price_per_briquet}/30)", "format": "currency" }, { "label": "Enter briquet case cost ($):", "id": "enter_price_per_briquet_case", "type": "input" }, { "label": "Cost per day:", "id": "", "type": "output", "formula": "({enter_price_per_briquet_case}/400/30)", "format": "currency" } ] }