CSC 117 Programming for Scientists and Engineers

Project 4 Due: Thursday, July 25, 2002
Total points : 25

Suppose that a gas company bases its charges on consumption according to the following table: Meters readings are four-digit numbers that represent cubic meters. Write a program in which the meter reading for the previous month and the current meter reading are entered and then the amount of the bill is calculated. Note: The current reading may be less than the previous one; for example, the previous reading may have been 9897, and the current one is 0103. Your output must look like the sample output shown below.
Sample Output:

Please enter previous and current meter readings:
1000 1500
Cost of gas is 17.25000
Enter 'Q' to quit, any other symbol to continue:
C
Please enter previous and current meter readings:
800 1400
Cost of gas is 18.75000
Enter 'Q' to quit, any other symbol to continue:
Q
Thank you and good-bye

Please email the program to the grader by midnight on the due date.
You can use the command:
mail liuq@egr.unlv.edu -s "Project 4" < proj4.f90
where 'proj4.f90' is the name of the file you want to send.