"sarah wants to invest $7200 into an investment account earning of 2.78% interest per year compounded continuously. how long, to the nearest tenth of a year, will it take for her account to grow to $15,000"

Suppose a country's productivity last year was 84. if this country's productivity growth rate of 5 percent is to be maintained, this means that this year's productivity will have to be:

Consider a firm with a contract to sell an asset for $149,000 four years from now. the asset costs $85,000 to produce today. a. given a relevant discount rate of 14 percent per year, calculate the profit the firm will make on this asset. (a loss should be indicated by a minus sign. do not round intermediate calculations and round your answer to 2 decimal places, e. g., 32.16.) b. at what rate does the firm just break even?

In a hypothetical economy, a market basket consists of one laptop and two dvd players. in the base year, 2010, the price of a dvd player was $200, and the price of a laptop was $500. in 2015, the price of a dvd player was $380, and the price of a laptop was $750. the cpi for 2010 was