Use This Information to Answer the Following Question

Use this information to answer the following question. The Retained Earnings,Dividends,and Income Summary accounts for Dukes Corporation for the accounting period are presented below in T account form after the recording and posting of closing entries:
The amount of net income (or net loss) for the period is

A) $1,800 net income.
B) $1,200 net income.
C) $600 net loss.
D) $600 net income.