PROBLEM 4

The following table presents the after-tax income in 2010 of private Aboriginal households.

Income bracket Number of households Under 5000 23 715 5000 -9999 21 020 10 000 -14 999 31 855 15 000 - 19 999 39 785 20 000 - 29 999 68 600 30 000 - 39 999 71 495 40 000 - 49 999 66 695 50 000 - 59 999 57 500 60 000 -79 999 94 600 80 000 - 99 999 61 360 Over 100 000 89 750 a) Calculate the percentage of households in each income bracket