Question 1. Factors to Consider in Deciding How Much to Pay and How to Finance Realty. In shopping for a home, Professor Dan Ariely considers his "predictions for the stock market and the housing market and the interest rate of mortgages today and in the future." How could comparative stock and housing market trends and predictions about interest rate movements impact a rational home buyer's decisions about (a) how much to spend for a home, (b) the optimal debt/equity ratio, and (c) whether to select a fixed or adjustable rate mortgage loan