#include <stdio.h> void main() {
double a,rate,tax,profit; int b; printf("请输入奖金数:"); scanf("%lf",&a); b=a/500; switch(b) { case 0:rate=0.00;break; case 1:rate=0.05;break; case 2:rate=0.08;break; case 3:rate=0.08;break; case 4:rate=0.10;break; case 5:rate=0.10;break; case 6:rate=0.10;break; case 7:rate=0.10;break; case 8:rate=0.10;break; case 9:rate=0.10;break; default:rate=0.15; }
tax=rate*a; profit=a-tax; printf("税率%.2f\n应缴税款%.2f\n实得奖金%.2f\n",rate,tax,profit); }