View faucetman886's Album. Vent pipes or waste stacks are needed for 2 reasons. the first is to pipe sewer gases up and out of the system to prevent the associated problems with trapped methane, not normally a problem with just a sink but very necessary with toilets.
Doctors often graduate medical school with well over $300,000 of student loan debt. Residency. It would cost a doctor $1,753 per month ($21,037 yearly) just to pay the interest on a $300,000 loan. Thatâs almost half of a doctors average net residency income of $50,000. So, for a doctor practicing internal medicine to forbear a $300,000 loan for three years during residency, then repay that loan for 20 years, it would result in an overall loan cost of $687,360. Thatâs $34,368 per year for 20 years.
Doctors pay varies by speciality, from as little as $40,000 to as much as $500,000 a year or even more. There are private practices, hospital staff, and consultants. Also, salary implies the doctor is working for someone else. So, a salary depends on what you are doing to make money for the company the doctor works for.n average docter earns 100000 - 150000 dollars a year. There is no question that medical doctors are some of the highest paid specialists in America. A doctor's income can r â¦ ange from 80, 000 dollars a year to 3, 000, 000 dollars a year.