Assume a major medical insurance policy featuring a $500 calendar-year deductible, a 80% coinsurance provision, a $5,000 stop loss limit, and a $1 million lifetime benefit.

Scenario 1: If the insured has medical expenses of $4,500, how much will the insurer pay for it?

Scenario 2: If the insured has medical expenses of $50,000, then how much will the insurer cover?