Nadine is ready to retire after many years building her business. Another entrepreneur has indicated an interest in buying it so Nadine must set a selling price. Which one of the methods below should she use? a The selling price of a similarly situated business. b The amount of retirement savings Nadine needs. c The sum of all taxable incomes for all the years she was in business. d The sum of all assets currently on the balance sheet less all liabilities (outstanding debt)