#include <stdio.h> float single_tax( float income ); void main() { float income,profice; printf("printf insert the income :"); scanf("%f",&income); profice = single_tax( income ); printf("the profice is %.2f/n",profice); } float single_tax( float income ) { float profice,n; if ( income > 256500 ) profice = 81710.50+(income-256500)*0.396; else if ( income>117950 ) profice = 31832.50+(income-117950)*0.36; else if ( income > 56550 ) profice = 12798.5+(income-56550)*0.31; else if ( income > 23350 ) profice = 3502.5+(income-23350)*0.28; else profice = income*0.15; return(profice); }
