Answer:
Drop Down 1:
400 ≤ 1,000 + 50h ≤ 5,400
-600 ≤ 50h ≤ 4,400
-12 ≤ h ≤ 88 (C)
Drop Down 2: negative (A)
Drop Down 3: 0 (A)
Drop Down 4: 88 (B)
