View Compilation Error

0_0_8711605_241.cpp: In function `int main()':
0_0_8711605_241.cpp:95: error: `k' undeclared (first use this function)
0_0_8711605_241.cpp:95: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8711605_241.cpp:99: error: `temp_fee' undeclared (first use this function)
0_0_8711605_241.cpp:102: error: `tempk' undeclared (first use this function)