Refer to your Assignment $1.($Hint: you can download a mortgage calculator to perform this assignment$)$

a$.$ You find the $30-$year mortgage rate is $6\%$ right now given credit score at $760,$ and mortgage rate is $8\%$ given credit score at $630.$ Calculate what is the difference of the total money you paid for a $$400,000$ home loan.

b$.$ Under the same credit score scenarios $(760$ at $3\%$ vs$.630$ at $7\%)$ what is the difference of the total money you paid for a $$50,000$ five$-$year car loan.