At the beginning of the year, Smidovec Plumbing had current liabilities of $15,932 and total debt of $68,847. By year end, current liabilities were $13,870 and total debt was $72,415. What is the amount of net new borrowing for the year?
a. $5,630.
b. $2,480.
c. $3,568.
d. $4,677.
e. $2,062.