Answer:
9,000 minimum emergency fund
Explanation:
The emergency fund is a portion related to the monthly expenses of the family or person.
It should be as low as 3 months and about 6 month to be safe.
It is important to notice this doens't mean the cash should be under the pillow. We can have this amount investment in a high-liquity investment if wanted.
For this couple as they have 3,000 expenses they should do an eemergency fund of at least 9,000 dollars