Answer the question based on the following information.
The table below presents data on percentage population covered by drinking water and sanitation facilities in selected Asian countries.
|
Drinking water
|
Sanitation facility
|
|
Urban
|
Rural
|
Total
|
Urban
|
Rural
|
Total
|
India
|
85
|
79
|
81
|
70
|
14
|
29
|
Bangladesh
|
99
|
96
|
97
|
79
|
44
|
48
|
China
|
97
|
56
|
67
|
74
|
7
|
24
|
Pakistan
|
82
|
69
|
74
|
77
|
22
|
47
|
Philippines
|
92
|
80
|
86
|
88
|
66
|
77
|
Indinesia
|
79
|
54
|
62
|
73
|
40
|
51
|
Sri Lanka
|
88
|
52
|
57
|
68
|
62
|
63
|
Nepal
|
88
|
60
|
63
|
58
|
12
|
1
|
Country A is said to dominate B or A > B if A has higher percentage in total coverage for both drinking water and sanitation facilities, and, B is said to be dominated by A, or B < A.
A country is said to be on the coverage frontier if no other country dominates it. Similarly, a country is not on the coverage frontier if it is dominated by at least one other country.
Which countries are the countries on the coverage frontier?
- India and China
- Sri Lanka and Indonesia
- Philippines and Bangladesh
- Nepal and Pakistan