Please use Excel formulas. The numbers of months go up to $48.$ You have just taken a auto loan of $$15,000.$ The loan is for $48$ months at

an annual interest rate of $15\%.$ The $48$ payments $($to be made at the end

of each of the next $48$ months$)$ are all equal. Build a mortgage

amortization schedule from month $1$ to month $48$