Susan is considering buying a $2017$ Smart ForTwo costing $$20,565$ and finds that the retaining values of the vehicle over the next six years are as follows:

Percent of the total value retained after $24$ months: $25\%$

Percent of the total value retained after $72$ months: $15\%$

If her interest rate is $6\%$ compounded annually, what is the ownership cost of the vehicle over two years? six years?

Click the icon to view the interest factors for discrete compounding when $i=6\%$ per year.

The ownership cost of the vehicle over two years is $ $($Round to the nearest dollar.$)$

The ownership cost of the vehicle over six years is $ $q,($Round to the nearest dollar.$)$