include[HTML_REMOVED]
include[HTML_REMOVED]
int main()
{
double x=0,y;
scanf(“%lf”,&y);
if(y>=0&&y<=2000)
{
printf(“Isento”);
}
else if(y>=2000.01&&y<=3000)
{
x=(y-2000)0.08;
printf(“R$ %.2lf”,x);
}
else if(y>=3000.01&&y<=4500)
{
x=(y-3000)*0.18+(3000-2000)*0.08;
printf(“R$ %.2lf”,x);
}
else if(y>4500)
{
x=(y-4500)0.28+(4500-3000)0.18+(3000-2000)0.08;
printf(“R$ %.2lf”,x);
}
return 0;
}