5. During the year, a merchandising company had the following transactions: - Generated 300.000 TL revenue and incurred 225.000 TL expense. - Issued new shares of 20.000 at a price of 1,2 TL (par value is 1 TL). - Repurchased 10.000 of these new shares at a price of 1,1 TL. - Sold these repurchased shares at a price of 0,5 TL. - Revalued its headquarters building as well as its one of the rental properties. The increases in the relevant equity and income items have been found to be 15.000 TL and 20.000 TL. Suppose that the ending retained earnings balance in the Statement of Changes in Shareholders Equity is 105.000 TL. Then, what was the opening balance of the retained earnings at the beginning of the year? a) 10.000 TL b) 16.000 TL c) 20.000 TL d) 26.000 TL