WTP (1000 VND)

Number of respondents

Percentage (%)

2.00

1

2.8

30.00

1

2.8

40.00

1

2.8

50.00

11

30.6

100.00

13

36.1

150.00

3

8.3

200.00

5

13.8

400.00

1

2.8