Analyze the given data for an e-commerce website's customer journey stages and calculate the correct funnel metrics:
- Stage I - Website Visits: 10,000 visitors
- Stage II - Viewed Product: 4,000 visitors viewed a product
- Stage III - Added to Cart: 2,000 visitors added a product to their cart
- Stage IV - Initiated Checkout: 1,000 visitors initiated checkout
- Stage V - Completed Purchase: 500 visitors completed a purchase
Based on this data, choose the correct set of funnel metrics (with visitors entering that stage as denominator and completing that stage as numerator).