Chin Woo bought a home for $160,000. He put down 20%. The mortgage is at 8 1/2% for 25 years. Using the table in the handbook, his yearly payments are:

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SmokeyBrown · Answer

Hi and welcome to QuestionCove!
So, I'm not seeing a table, but judging from the question, here's my take.
Chin Woo has already paid for 20% of the $160,000 home, so he has $128,000 left to pay.  8.5% of the remaining value is 10,880... But, at this rate, Chin Woo would pay off his home in 12 years, not 25. 
I think there's something I'm missing here.