Step 1: Create a table from the existing data in range B2:G14 of the "Electric" worksheet. Notice that row 2 (the first row of the data) has column headings.
Step 2: Add a calculated column to the end of the table.
Enter the column heading "KWh Cost".
The column should calculate the cost of the total KWh used based on the cost per KWh for each month.
The total cost is calculated by multiplying the KWh by Cost per KWh for each ro