Anthony's chair factory currently employs 50 workers, who produce 800 chairs. if anthony hires a 51st worker, output will rise to 925. what is the average physical product of the 51st worker?

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)