Jane $41000 4%
John $44000 5%
Jack $39600 3%
Jane
41000 ------------------- 100
x ----------------- 4
x = (41000 x 4) / 100
x = 1640
John
$44200 ----------------- 100
x ----------------- 4.5
x = (44200 x 4.5) / 100
x = 1989
Jack
$39600 -------------------- 100
x -------------------- 3
x = (39600 x 3) / 100
x = 1188
Total = 1640 + 1989 + 1188
= $4817
Letter C