{"id":"profit-margin-calculator","engine":"core","category":"math","name":"Kâr marjı ve fiyat artışı","fields":[{"key":"cost","label":"Maliyet","type":"number","default":60,"required":true,"min":0.000001},{"key":"price","label":"Fiyat","type":"number","default":100,"required":true,"min":0.000001}],"sample":{"cost":60,"price":100}}