Thomas Lee has basic coverage and supplementary major medical with a $100 deductible, 20 percent co-insurance, and a $1,500 stop loss on co-insurance payments. 

(a) How much will the major medical coverage pay if Lee incurs $1,000 in expenses during the year that are not covered by basic cover age but that are eligible for major medical? 

(b) If he incurs $8,000 in eligible expenses? 

(c) At what level of eligible expenses will major medical coverage begin to pay 100% of additional expenses.