Identification of Actors – Car Price Calculator

1. Primary Actors

• User (Customer or Buyer)
  The main actor who interacts with the system to calculate the final car price based on model selection, add-ons, and taxes.

• System (Car Price Calculator)
  Acts as the automated backend that performs price calculations, applies taxes/fees, and generates the final result.

2. Supporting Actors

• Admin (Optional)
  Manages the list of car models, prices, add-ons, tax rates, and regional configurations in the system.

• Finance Service (External System, Optional)
  If EMI or loan calculation is included, this external system provides financial data (interest rates, tenure options).

• Tax Authority / Government Rules API (Optional)
  A third-party or internal module that provides updated tax rates, registration charges, and insurance premiums.