29. Percentage of population by expenditure group (in rupiah) per capita for a month (1984):

Expenditure Class	%
0 - 4,999	3.28
5,000 - 5,999	3.65
6,000 - 7,999	11.58
8,000 - 9,999	13.71
10,000 - 14,999	29.18
15,000 - 19,999	16.10
20,000 - 29,999	13.69
30,000 - 49,000	8.81

A). Compute the average, median, and mode of expenditure. B). Calculate the level of inclination. C). Calculate the degree of sharpness.