27) Prior to opening his wedding ring shop, Professor Kong earned $75,000 a year from the university. He also rented out a shop which earned him $7,000 rent; he would have received $800 increased rent this year, but he retrieved the shop for his wedding ring shop. Additionally, he sold is North Vancouver mansion to cash in on $4,000,000 a year ago. Had he waited until now, he could have sold it for $5,000,000. What is the economic depreciation for Kong's Wedding Ring this year? a. 5-800 b. $4,000,800 c. $800 d. $1,000,800 e. $1,082,800