Please help answer the below math insurance questions.

Let's say your health insurance plan has the following features: Use for#1-4 ONLY

Deductible; $1000 Coinsurance: 80/20 (you pay the 20%; insurance company pays the 80%) Out-of-Pocket Maximum: $5,000

1. You go to the Hospital and incur $9500 worth of medical expenses. How much do you have to pay out of pocket?

2. What would be your out-of-pocket cost for $35,000 of annual medical expenses?

3. With an unpaid $1000 deductible and $3750 medical bill, how much will insurance pay?

4. What would be your out-of-pocket cost for $65,000 of medical expenses?