Time value of money calculations can be solved using a mathematical equation, a financial calculator, or a spreadsheet. Which of the following equations can be used to solve for the future value of an annuity due?PMT x ({1 – [1/(1 + r) n ]}/r) x (1 + r)PMT x {[(1 + r) n – 1]/r} x (1 + r)PMT x {[(1 + r) n – 1]/r}FV/(1 + r) n

Maldonia has a comparative advantage in the production of , while lamponia has a comparative advantage in the production of . suppose that maldonia and lamponia specialize in the production of the goods in which each has a comparative advantage. after specialization, the two countries can produce a total of million pounds of lemons and million pounds of coffee.

True or flase? a. new technological developments can us adapt to depleting sources of natural resources. b. research and development funds from the government to private industry never pay off for the country as a whole; they only increase the profits of rich corporations. c. in order for fledgling industries in poor nations to thrive, they must receive protection from foreign trade. d. countries with few natural resources will always be poor. e. as long as real gdp (gross domestic product) grows at a slower rate than the population, per capita real gdp increases.

Alarge tank is filled to capacity with 500 gallons of pure water. brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. the well-mixed solution is pumped out at the same rate. find the number a(t) of pounds of salt in the tank at time t.