Open the Electricity Solution. sln file contained in the VB2017\Chap09\Electricity Solution folder. Open the monthlyBills. txt file. Each of the 12 numbers in the file represents the cost of electricity for a month. Close the monthlyBills. txt window. The btnCalc_Click procedure should display the average monthly cost for electricity. Display the average with a dollar sign and two decimal places. Code the procedure. Save the solution and then start and test the application. (The average is $119.81. If you need to recreate the file, the project’s bin\Debug folder contains a copy of the original file.) Monthly Bills text file:
141.71
156.75
179.25
141.71
130.19
115.05
95.65
86.78
85.45
79.99
98.45
126.78