Rena has to pay the first $100 of her medical expenses each year before she qualifies for her insurance company to begin paying. After paying the $100 "deductible," her insurance company will pay 80% of her medical expenses. This year, her total medical expenses came to $960.00. Which expression below shows how much her insurance company will pay?
A. 0.80(960 - 100)
B. 100 + (960 / 0.80)
C. 960(100 - 0.80)
D. 0.80(960 + 100)