Assume the capital stock depreciates at a rate of 15% per year. If the capital stock started the year at 100 and finished the year at 104, what was capital investment for the year?

The sole proprietor of the Alton Plumbing Supply Company receives all accounting profits earned by his firm and a $30,000 a year salary.    He has a standing salary offer of $40,000 a year working for a large corporation.    If he had invested his capital outside his company, he estimates that would have returned $15,000 this year.    If accounting profits for the year were $65,000, economic profits were:

The formula M(t) = 1.14t + 13.21 gives the approximate total revenue for a corporation, in billions of dollars, t years after 2000. The formula applies to the years 2000 through 2013. (a) Explain in practical terms the meaning of  M(5). The expression M(5) is the total revenue for the corporation, in billions of dollars, in 2005.The expression M(5) is the year in which the corporation will earn 5 billion dollars.    The expression M(5) is the total revenue for the corporation, in billions of dollars, in 2013.The expression M(5) is the year in which the corporation will earn 5 billion dollars more than it earned in 2000.The expression M(5) is the total revenue for the corporation, in billions of dollars, in 2000. (b) Use functional notation to express the total revenue for 2010. M        (c) Calculate the total revenue in 2010.  billion dollars

Determine what the interesr would have been if a financial asset valued at $22,500 amounted to the total value of $29,800 after two years.