Comparison between the normal heater and central heater The hot water installations feeding part of the extensions that have been implemented . And this is linked to the water heater wiring to complete the work of these extensions. There are two types of water heaters can be either plain water heater or central heater and […]
Why “present value” of the “annuity” is higher than “normal” annuity? Why is the current value of the premium is higher than the ordinary annuity? To answer this question, let’s look at the same time understanding the difference between these two. Annuity due annuity payment stream is fixed that at the beginning of each period […]
