Ashley has an individual medical expense insurance policy with a $1000 calendar-year deductible and a 20 percent

Question:

Ashley has an individual medical expense insurance policy with a $1000 calendar-year deductible and a 20 percent coinsurance clause. Ashley had outpatient surgery to remove a bunion on her foot and incurred medical bills of $10,000. How much will Ashley's insurer pay? How much will Ashley have to pay?