You can sum up your usage data into these buckets to get a total cost. 3) Option 3: using the Genability Calculator. This is by far the easiest option. The calculator takes in actual usage data such as what you would get from a meter reading and calculates the cost of a tariff.
To prevent excessive gas, it may help to: 1  Avoid the foods that affect you most. 2  Common offenders include beans, peas, lentils, cabbage, onions, broccoli, cauliflower, whole-wheat bread, mushrooms, and beer and other carbonated drinks. 3  If dairy products are a problem, try low-lactose or lactose-free varieties.
The Best Foods to Eat When You Have Gas. Flatulence, or gas, results when there is an excess of five odorless gasses (nitrogen, hydrogen, carbon dioxide, methane and oxygen) in the stomach or intestines. People can pass gas through belching or the rectum. Gas is caused by certain activities and foods.