A couple has decided to purchase a $$130000$ house using a down payment of $$13000.$ They can amortize the balance at $10\%$ over $15$ years.

a$)$ What is their monthly payment?

Answer $=$$

b$)$ What is the total interest paid?

Answer $=$$

c$)$ What is the equity after $5$ years?

Answer $=$$

d$)$ What is the equity after $10$ years?

Answer $=$$