Multiple Currency Support: Added USD, Pakistani Rupee (PKR), and Indian Rupee (INR) with proper symbols:

• USD: $

• PKR: ₨

• INR: ₹

Interactive Currency Tabs: Clickable tabs at the top to switch between currencies

• Active tab is highlighted in blue

• All calculations update automatically when currency changes

Currency Converter Panel: Added a dedicated currency converter section that:

• Converts between the three currencies

• Shows current exchange rates (USD to PKR: 280, USD to INR: 83)

• Has a swap button to reverse conversion direction

• Updates conversion in real-time

Dynamic Symbol Updates: All currency symbols update correctly throughout the UI:

• Input fields show correct currency symbol

• Results display with correct currency symbol

• Summary section shows correct symbols

Breakdown Frequency: Added toggle between monthly and yearly breakdown as shown in reference image

Real-time Calculations: All calculations update instantly when any parameter changes

Proper Formatting: Numbers are formatted with proper thousand separators and decimal places for each currency