Presented below is information related to kingbird company at december 31, 2020, the end of its first year of operations. sales revenue $287,320 cost of goods sold 126,540 selling and administrative expenses 53,200 gain on sale of plant assets 31,270 unrealized gain on available-for-sale debt investments 10,590 interest expense 5,720 loss on discontinued operations 10,870 dividends declared and paid 4,570 compute the following: (a) income from operations $enter a dollar amount (b) net income $enter a dollar amount (c) comprehensive income $enter a dollar amount (d) retained earnings balance at december 31, 2020