salary increase

#include<stdio.h>
int main()
{
    float salary,nsalary,sub,rate;
    scanf("%f",&salary);
    if(salary>=0 && salary<=400.00)
    {
        nsalary=salary+salary*0.15;
        sub=nsalary-salary;
        printf("Novo salario: %.2f\n",nsalary);
        printf("Reajuste ganho: %.2f\n",sub);
        printf("Em percentual: 15 %%\n");
    }
    else if(salary>=400.01 && salary<=800.00)
    {
        nsalary=salary+salary*0.12;
        sub=nsalary-salary;
        printf("Novo salario: %.2f\n",nsalary);
        printf("Reajuste ganho: %.2f\n",sub);
        printf("Em percentual: 12 %%\n");
    }
    else if(salary>=800.01 && salary<=1200.00)
    {
        nsalary=salary+salary*0.10;
        sub=nsalary-salary;
        printf("Novo salario: %.2f\n",nsalary);
        printf("Reajuste ganho: %.2f\n",sub);
        printf("Em percentual: 10 %%\n");
    }
    else if(salary>=1200.01 && salary<=2000.00)
    {
        nsalary=salary+salary*0.07;
        sub=nsalary-salary;
        printf("Novo salario: %.2f\n",nsalary);
        printf("Reajuste ganho: %.2f\n",sub);
        printf("Em percentual: 7 %%\n");
    }
    else if(salary>1200.00 )
    {
        nsalary=salary+salary*0.04;
        sub=nsalary-salary;
        printf("Novo salario: %.2f\n",nsalary);
        printf("Reajuste ganho: %.2f\n",sub);
        printf("Em percentual: 4 %%\n");
    }
    return 0;
}