Reyna is thinking about buying a house. she has looked at two separate homes in the same neighborhood. house a (5 bed/2 bath/2 garage) has a list price of $275,000 and is 2100 square feet, while house b (4 bed/3 bath/2 garages) has a list price of $182,000 and is 1500 square feet. she is considering going with a 5/1 arm, and the bank has asked for a 20% down payment on the loan. part i: what is the price per square foot of house a? part ii: what is the price per square foot of house b? part iii: how many bedrooms and bathrooms does house a have? part iv: how many bedrooms and bathrooms does house b have? part v: reyna is considering a 5/1 arm. what does "arm" stand for? part vi: if reyna has a 5/1 arm, how long will the fixed interest rate be applied to her loan part vii: what is the down payment for house a? part viii: what is the down payment for house b? part ix: if reyna can afford a down payment of $50,000, which house, if any, can she afford? part x: a week later, house c (5/3/3) with 1900 square feet is listed on the market, with a price listed as "negotiable." if the average price per square foot is $125, what can reyna expect to pay for this house?