Evaluations for input

Adam and Arin Adams have collected their personal asset and liability information and have asked you to put together a balance sheet as of December 31, 2015. The following information is received from the Adams family. <image 1> What was their net working capital (NWC) for the year? (Hint: NWC is the difference between total liquid assets and total current liabilities.)

(A) $2,100

(B) $3,100

(C) $4,100

(D) $5,100

Answer with the option's letter from the given choices directly. No punctuation.