Assuming that they have no current bills other than those that are listed, what is their current ratio?

Tim and Autumn Davis are trying to figure out their current financial health. They will pay off their car loan in three years, their gross household income is $5,700 per month, and they receive $95 per month in interest income from their investments. They have listed the following items from their most recent statements. They have approximately $48,000 of expenses every year.
Savings account: $3,200
Checking account: $1,800
Credit card balance: $3,000
Car loan balance: $18,000
Car market value: $15,000
Furniture market value: $4,000
Stocks and bonds: $15,000
1) What is their current net worth?
A) $21,000
B) $39,000
C) $18,000
D) -$21,000
2) Assuming that they have no current bills other than those that are listed, what is their current ratio?
A) 0.79 times
B) 1.67 times
C) 2 times
D) Not enough information available
3) What is their debt ratio?
A) 123 times
B) 3 times
C) 1.23 times
D) 0.54 times
4) What is their approximate month’s living expenses covered ratio?
A) 2.50 months
B) 1.25 months
C) 0.50 months
D) 3.50 months
E) Not enough information to answer this question