Exercise 4.7 (Algo) Preparing Various Adjusting Entries (LO4-1, LO4-2, LO4-3, LO4-4, LO4-5, LO4-6, LO4-9) 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. A bank loan had been obtained on December 1. Accrued interest on the loan at December 31 amounts to $1,180. No interest expense has yet been recorded. Depreciation of the firms office building is based on an estimated life of 30 years. The building was purchased four years ago for $320,000. Accrued, but unbilled, revenue during December amounts to $73,000. On March 1, the firm paid $1,800 to renew a 12-month insurance policy. The entire amount was recorded