Which of the following would increase the net profit margin in the current year? Multiple Choice Postpone routine maintenance work that was to be done this year. Increase the amount of research and development in the last month of the year, Postpone the purchase of supplies to the first month of the following year. Postpone dividends to stockholders Blue Fin started the current year with assets of $840,000, mabilities of $420,000 and common stock of $240,000 During the current year, assets increased by $480,000, liabilite decreased by $60,000 and common stock increased by $330.000 There was no payment of dividends to owners during the year Based on this information, what was the amount of Blue Fin's retained earnings at the beginning of the year? Multiple Choice $180,000 51020000 5660.000