AP 7-6 (Business and Property Income) Mr. Sonny Shark is an accountant who has a well-established practice in Edmonton. Relevant information on his practice for the taxation year ending December 31,2021 , is as follows: Mr. Shark purchased the building in which his practice is located in 2004. His practice uses 50% of the floor space in the building and, on January 1,2021 , the class 1 UCC for the building is $526,000. Since the building was purchased, the other one-half of the building had been rented to a lawyer who was paying rent of $4,000 per month. This lawyer retired on July 1, 2021. Despite all his efforts, Mr. Shark could not find a new tenant and received rent for only six months during 2021. The 2021 interest, taxes, and other expenses (other than CCA) that can be allocated to the onehalf of the building that was rented total $14,400. Mr. Shark owns the furnishings in his office. The cost of these furnishings was $24,000 and, on January 1,2021 , the class 8 UCC for these furnishings was $11,059. Mr. Shark is an avid investor in the stock market. During 2021, he received eligible dividends totalling $18,000. He did not dispose of any shares during the year. Required: Determine Mr. Shark's minimum net income for the year ending December 31. 2021. Ignore GST/HST \& PST considerations and the need to make CPP contributions by Mr. Shark