Create an application that calculates a customers water bill. The user will enter the current meter reading and the previous meter reading. The application should calculate and display the number of gallons of water used and the total charge for the water. The charge for water is $1.75 per 1000 gallons, or .00175 per gallon. Make the calculations only when the current meter reading is greater than or equal to the previous meter reading; otherwise, display an appropriate error message. A design suggestions for the form is shown below:
Correct input (current >= previous): see image.
Incorrect input (current < previous): see image.