# AI-Powered Deal Qualification
def proprietary_deal_score(property):
    score = 0

    # Location & Market Fundamentals (30% weight)
    if property.transit_score > 70:
        score += 10 
    if property.walkability > 80:
        score += 5
    if property.population_growth_3yr_avg > 0.01: # 1% as decimal
        score += 15

    # Financial Viability (35% weight)
    if property.price_per_unit < property.seattle_median * 0.85:
        score += 15 
    if property.estimated_cap_rate > 5.5:
        score += 10
    if property.historical_noi_growth_annual > 0.02: # 2% as decimal
        score += 10

    # Market Dynamics (20% weight)
    if property.days_on_market > 90:
        score += 10 
    if property.price_reductions > 1:
        score += 5
    if property.vacancy_rate_trend == "decreasing": # Assuming a categorical variable or similar check
        score += 5

    # Asset & Regulatory Profile (15% weight)
    if property.zoning_allows_mixed_use_or_higher_density: # Assuming boolean or similar check
        score += 10
    if property.last_major_renovation_years_ago > 10:
        score += 5

    return score