A summary of selected ledger accounts appear below for Albertos Plumbing Services for the 2009 calendar year end. Alberto, Capital 12/31 8,500 1/1 6,500 12/31 18,500 Alberto, Drawing 6/30 3,500 12/31 8,500 11/30 5,000 Income Summary 12/31 15,000 12/31 33,500 12/31 18,500 Net income for the period is A. $16,500 B. $33,500 C. $18,500 D. $15,000