求教Manhattan 模考数学题 Health insurance

Health insurance Plan A requires the insured to pay $1,000 or50% of total cost, whichever is lower. Plan B requires the insured to pay theinitial $300, but then pays 80% of the cost over $300. Which of the followingis a cost level for which both insurance plans pay out the same amount?

A: $600

B: $1,000

C: $3,800

D: $5,300

E: $6,200