Any qualified plan that includes a $\_\_\_\_\_\_\_,$ such as a $401($k$)$ plan, must also satisfy the $\_\_\_\_\_\_\_.$

Question $1$ options:

$1)$

CODA; ACP and the ADP tests

$2)$

Cliff vesting schedule; ACP test

$3)$

Graduated vesting schedule; ADP test

$4)$

CODA; unit credit formula