A couple has decided to purchase a $$200000$ house using a down payment of $$14000.$ They can amortize the balance at $8\%$ over $20$ years.a$)$ What is their monthly payment? Payment $=$ $b$)$ What is the total interest paid? Total interest paid $=$ $c$)$ What is the equity after $5$ years? Equity after $5$ years $=$ $d$)$ What is the equity after $15$ years? Equity after $15$ years $=$ $