When we began our engineering economic class on January 11,2011,the us national debt was $14,021,971,958,329.21.Now(March 3,2011),we have the debt is $14,181,000,542,446.10.
(a)if it is continually growing this rate,whats our debt at the end of this year.
(b)with the current debt(march 3,2011),whats the share of each citizen in order to pay this debt if we have the estimated population of the us is 310,134,549.
(c)how much money we have to pay per month in order to pay off the debt within 30 years if the interest rate is 6 %.