b1
\50000
b2
\25000
b3
\25000
b4
\25000
b5
\25000
b6
\25000
b7
\25000
b8
\20000
b9
\25000
b10
\15000
b11
\15000
b12
\15000
b13
\15000
b14
\15000
b15
\15000