INSTRUCTIONS

You are working as a data analyst for a mortgage company. A new customer named David applied for a mortgage loan. You have some previous customer data in your hand. $(1)$ Based on the data, can you grant David a loan? You will use the nearest neighbor's search method that you learned in class. $(2)$ Then, you will modify the problem as a classification problem based on the highest ratio. $(73$ points$)$

Note: you must show all the mathematical calculations.

$\backslash$table$[[$Name$,$Income $($X$1000),$Age,Approved Loan$],[$David$,50,40,?$