Sweeney & Allen a large marketing firm, adjusts its accounts at the end of each month. The following information is available for the year ending December 31 1. A bank loan had been obtained on December 1 Accrued interest on the loan at December 31 amounts to $1,230. No interest expense has yet been recorded 2. Depreciation of the firm's office building is based on an estimated life of 30 years. The building was purchased four years ago for $360,000 3. Accrued, but unbilled, revenue during December amounts to $59.000 4. On March 1, the firm paid $1700 to renew a 12-month insurance policy. The entire amount was recorded as Prepaid Insurance, 5. The firm received $15.000 from King Biscuit Company in advance of developing a six-month marketing campaign. The entire amount was initially recorded as Unearned Revenue. At December 31, $2,600 had actually been earned by the firm. 6. The company's policy is to pay its employees every Friday, Since December 31 fell on a Wednesday, there was an accrued Hability for salaries amounting to $2,500 a. Record the necessary adjusting journal entries on December 31 b. By how much did Sweeney & Allen's net income increase or decrease as a result of the adjusting entries performed in part a? ignore income taxes.)