Sarah lost was laid off from her job during 2019. Before the lay off, she had earned $15,450. When she was laid off she received $3,400 in unemployment benefits. In December, Sarah found a job and made $3,000. From this information, what is Sarah's gross income for 2019?

Select one:

a. $21,850

b. $3,000

c. $18,450

d. $0