1. Let's assume that a loan of $100,000 with an annual interest rate of 6% over 30 years pays monthly payments of $500.

a. Calculate the accumulation rate 

b. Calculate the payment rate 

c. How will the principal balance be at the end of the loan in relation to the original amount of the loan? Less than, equal to or more?

Provide calculations.

2. Small bedrooms, master without bathroom, absence of closet, 5 bedrooms 1 bathroom, access to one bedroom by another, absence of canopies, etc. 

a. functional obsolescence.

b. Physical depreciation. 

c. Economic Obsolescence or Externalities.