GreenGrocers is a 5-year-old organic grocery delivery startup with $50M ARR, operating in 5 major US cities. They have 100,000 active customers with 60% monthly retention. Current unit economics: CAC $80, gross margin 35%, monthly subscription $25 + $8 per order (avg 2.5 orders/month). The CEO is torn between: (A) Expanding to 10 new cities aggressively, or (B) Deepening penetration in current cities to build moat. The Series B investors are pushing for growth.