You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "project_investment_growth", "description": "Projects the growth of an investment over a specified number of years.", "parameters": {"principal": {"description": "The initial investment amount.", "type": "float", "default": true}, "annual_addition": {"description": "The amount added to the investment annually.", "type": "float", "default": true}, "years": {"description": "The number of years to project the investment growth.", "type": "int"}, "return_rate": {"description": "The annual return rate as a decimal (e.g., 0.07 for 7%).", "type": "float"}, "inflation": {"description": "A list of annual inflation rates as decimals.", "type": "List[float]"}, "inflation_adjusted": {"description": "Whether to adjust the final value for inflation. Defaults to True.", "type": "bool, optional"}}}, {"name": "get_holidays_by_year", "description": "Retrieves the list of public holidays for a given year and country using the Nager.Date API.", "parameters": {"year": {"description": "The year for which to retrieve the holidays.", "type": "int"}, "country_code": {"description": "The two-letter ISO 3166-1 alpha-2 country code.", "type": "str"}}}]
Calculate the projected value of an investment after 15 years, given an initial investment of $15,000, an annual addition of $1,500, an annual return rate of 4%, and annual inflation rates of 1.5% for the first 5 years, 2% for the next 5 years, and 2.5% for the last 5 years, with inflation adjustment.
user
assistant
[{"name": "project_investment_growth", "arguments": {"principal": 15000, "annual_addition": 1500, "years": 15, "return_rate": 0.04, "inflation": [0.015, 0.015, 0.015, 0.015, 0.015, 0.02, 0.02, 0.02, 0.02, 0.02, 0.025, 0.025, 0.025, 0.025, 0.025], "inflation_adjusted": true}}]