Answer:
1.
RATE = 50%
BASE = 90
PERCENTAGE = 45
2.
RATE = 80%
BASE = 3,125
PERCENTAGE = 2,500
3.
RATE = 15%
BASE = 100
PERCENTAGE = 15
4.
RATE = 75%
BASE = 4
PERCENTAGE = 3
5.
RATE = 40%
BASE = 5
PERCENTAGE = 2
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