A Group of 10 Golfing Buddies Have the Following Annual

A group of 10 golfing buddies have the following annual incomes: $32,000, $12,000, $56,000,
$120,000, $10,000, $38,000, $70,000, $16,000, $20,000, $24,000. The share of income received by the bottom quintile of this income distribution is

A) 3.5%
B) 5.5%
C) 7.5%
D) 9.5%