$-$What is the payment on a $60$month, $$10,000$ car loan with APR of $4\mathrm{.}34\%?$

$-$In the first payment on a $60$month, $$10,000$ car loan with APR of $4\mathrm{.}32\%,$ how much pays off the principal?

$-$After making $42$ payments on a $60-$month, $$10,000$ car loan with APR of $5\%,$ what is the outstanding balance on the loan?