these requirements differ depending on geography, local soil conditions and even where a power system is located within a building. can you also tell me how many people live outside the us that fit the target (both in age and disposable income)? rita was such a wonderful and talented person. it feels very strange to finish this early, i’m usually struggling up until the last couple of hours. thanks very much for this professional and amazing help. i want to do everything, and i want to do it all right now. you need to be somewhat aggressive with salt, as others have pointed out. 