An entrepreneur takes $3349560$ HUF bank loan with $3$ years maturity and $15\%$annual nomin interest rate.An entrepreneur wish to repay the debt with equivalent annual payment rate at the end of each year.

$1.$How much is the installment?

$2.$How much is the interest payment in the first year?

$3.$How much is the principal payment in the $2$nd year $?$

$4.$How much is the interest payment in the $2$nd year?

$5.$How much is the principal payment in the $3$nd year?