{"name":"investment_fee","title":"Investment Fee Impact Calculator","category":"personal-finance","description":"How much an expense ratio costs over time — ending balance with vs without fees, and total fee drag.","price_usd":0.001,"input_schema":{"type":"object","properties":{"initial_investment":{"type":"number","description":"Starting investment in USD"},"years":{"type":"number","description":"Investment horizon in years"},"annual_contribution":{"type":"number","description":"Amount added each year in USD"},"gross_return":{"type":"number","description":"Gross annual return before fees as a PERCENT (default 7)"},"expense_ratio":{"type":"number","description":"Annual fee/expense ratio as a PERCENT (default 0.5)"}},"additionalProperties":false,"required":["initial_investment","years"]}}