Incometax problem v0.1, C (gcc)

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//gcc 5.4.0

#include  <stdio.h>
//We would like to write a C program to calculate the income tax of the employees in an organization according the following criteria:  
//-	The income tax is zero  = 0 if income less than or equal 10,000 
//-	The income tax is 10% if the income is less than 50,000. Otherwise, the income tax is 20% if the income is greater than 50000 and less than 99,9999 
//-	For an income greater than or equal 100000, the tax is 30%. 
START PROGRAM
double income
double incometax
PRINT "Please Input:\n Name: \n Income:\n"
READ income
     if (income<=10000){
         incometax=0;
         PRINT "Your income tax is %lf",incometax);
                      }
     else if (income>=10000&&income<=50000){
          incometax=income*.1;
         PRINT "Your income tax is $%lf",incometax);
                                           }
     else if (income>=50000&&income<=999999){
          incometax=income*.2;
          PRINT "Your income tax is $%lf",incometax);
                                            }
     else{
          incometax=income*.3;
          PRINT "Your income tax is $%lf",incometax);
         }

int main(void)
{
    printf("Hello, world!\n");
    return 0;
}

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