Petras Company Engaged in the Following Transactions During 2012, Its

Petras Company engaged in the following transactions during 2012, its first year in operations: (Assume all transactions are cash transactions)
1) Acquired $950 cash from the issue of common stock.
2) Borrowed $420 from a bank.
3) Earned $600 of revenues.
4) Paid expenses of $250.
5) Paid a $50 dividend.
During 2013, Petras engaged in the following transactions: (Assume all transactions are cash transactions)
1) Issued an additional $325 of common stock.
2) Repaid $220 of its debt to the bank.
3) Earned revenues of $750.
4) Incurred expenses of $360.
5) Paid dividends of $100.
Petras Company's net cash inflow from operating activities for 2012 is

A) $600.
B) $550.
C) $350.
D) $300.