Assume that you have a (relatively simple) health insurance plan with the following provisions: annual deductible is $500. insurance company pays 100% of all costs after deductible and co-payments. office visits require a co-payment of $25. emergency room visits have a $200 co-payment. surgical operations have a $1000 co-payment. you pay a monthly premium of $350. during a one-year period, your family has the following expenses.