Having trouble finishing the if else statment. Help would be so greatly appreciated. Do i need more const? Just confused all and any information is apprieciated

Input if home use, commercial use, or industrial use
Clear screen
IF (home use)
\$5.00 plus 0.0005 per gallon used
else if (commercial use)
\$1000.00 for first 4 million gallons used and 0.00025 for each additional
else //industry use
\$1000.00 if does not exceed 4 million but does not exceed 10 million;  and \$3000.00 if exceeds 10 million gallons
END IF
Display reciept

So far this is the code i am able to come up with.

#include <iostream>
#include <iomanip>
using namespace std;

void main ()
{
//local constants
const char h                   = Code_Home;
const char c                   = Code_Commercial;
const char i                   = Code_Industrial;
const float home               = \$5.00
const float home1              = \$0.0005
const float commercial         = \$1000.00
const float commercial1        = \$0.00025
const float commercial2        = 4,000,000,000
const float industrial         = \$1000.00
const float industrial1        = \$2000.00
const float industrial3        = \$3000.00
const int   industrial_gallons = 10,000,000,000

//local variables
int   Account_Num;       //Account number
float Num_Gallons;       //Number of gallons used
char  Code_letter;       //Code for bill
/**************************start main program*********************/

//Enter in bill type
cout <<"\n\n\n\n\n\n\n\n" ;
cout << setw (46) << "Bill Info";
cout <<"\n\n\n" ;
cout << setw (45) << "Enter Bill type : " ;
cin  << Code_letter ;
cout >> setw (45) << "Account Number : " ;
cin  << Account_Num ;
cout >> setw (45) << "Gallons Used : " ;
cin  << Num_Gallons ;

//Clear the screen
system("cls");

//Determine Reciept
if (Code_Home)
{
h = home + home1 * Num_Gallons ;
}
else
{
if  (Code_Commercial)
{
c = commercial;
}
else
{
(Code_Industrial)
i = ;
}
}

Edited by mike_2000_17: Fixed formatting

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Last Post by Grn Xtrm

Your else if is a little flawed. Change it to.

if (Code_Home)
{
h = home + home1 * Num_Gallons ;
}
else if (Code_Commercial)
{
c = commercial;
}
else
{
i = ; // not sure what your trying to do here
}

When writing multiple cases, use else if until you reach the final case.
By the way this is just the structure of the else if tree. You need to change some things to the code to get it run properly.

Edited by Grn Xtrm: n/a

There are some more problems that I'd like to point out.
If I am understanding the problem correctly you want to test what BillType the user enters. To do this you need to use if else statements.

if(Code_Letter == h)
//do home calculation
else if(Code_Letter == c)
//do commercial calculation
else if(Code_Letter == i)
// do industrial calculation
else
//print error message for invalid input

Also you cant say

c = commercial;

c is a char variable and commercial takes on a float value.

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