The adjustments to convert net income to cash flow from operations generally. involve (1) adding the amount by which an expense exceeds the related cash expenditure for the period (for deprecia-. tion, the entire amount), (2) subtracting the amount by which a revenue exceeds the related cash receipt for the period.
Gas Furnaces: Cracked Heat Exchangers. The most common reason for a natural gas furnace to leak carbon monoxide is from a crack in the heat exchanger. The heat exchanger is the metal wall or tubing that is heated up when the burners are ignited.
Some appliances like kerosene heaters can cause carbon monoxide poisoning inside your house. Charcoal too gives off that carbon monoxide (CO). If you have a generator, grill, or car, keep it outside of your house, and never run it inside of your house.arbon dioxide another gas formed from carbon and  oxygen, has the formula CO 2.   A gas, â¦ the molecules of which are made up of one carbon atom bonded  with one oxygen atom. Carbon monoxide gas is clear, odorless and  lethal when inhaled in LOW concentration.