Real gdp per person in richland is $20,000, while real gdp per person in poorland is $10,000. however, richland's real gdp per person is growing at 1 percent per year, and poorland's real gdp per person is growing at 2 percent per year. after 50 years, real gdp per person in richland minus real gdp in poorland is:

Mr. pines is considering buying a house and renting it to students. the yearly operating costs are $1,900. the house can be sold for $175,000 at the end of 10 years and it is considered 18% to be a suitable annual effective interest rate. if the house costs $100,000 to purchase, how much would you need to charge your tenants each year in rent? (assume a single payment for the years rent at the end of each year)