Figure 4.8  Sample Run of Water-Bill Program
This program figures a water bill based on the demand charge
($35.00) and a $1.10 per 1000 gallons use charge.
 
A $2.00 surcharge is added to accounts with an unpaid balance.
 
Enter unpaid balance, previous and current meter readings 
on separate lines after the prompts.
Press <return> or <enter> after typing each number.
 
Enter unpaid balance> $71.50
Enter previous meter reading> 4198
Enter current meter reading> 4238
 
Bill includes $2.00 late charge on unpaid balance of $71.50
 
Total due = $152.50