2.4

 

 

 

#include<stdio.h>
int main()
{
 int a;
 double rate,tax,profit;
 scanf("%d",&a);
 if(a<500)
 {
  printf("a=%d,rate=0,tax=0,profit=%f",a,a);
 }
 else if((a>=500)&&(a<1000))
 {
  tax=a*0.05;
  profit=a*0.95;
  printf("a=%d,rate=0.05,tax=%f,profit=%f",a,tax,profit);
 }

 

 else if((a>=1000)&&(a<2000))
 {
  tax=a*0.08;
  profit=a*0.92;
  printf("a=%d,rate=0.08,tax=%f,profit=%f",a,tax,profit);
 }
 else if((a>=2000)&&(a<5000))
 {
  tax=a*0.10;
  profit=a*0.90;
  printf("a=%d,rate=0.10,tax=%f,profit=%f",a,tax,profit);
 }
 else
 {
  tax=a*0.15;
  profit=a*0.85;
  printf("a=%d,rate=0.15,tax=%f,profit=%f",a,tax,profit);
 }
 return 0;
}