There is a reliable correlation between being outgoing and being satisfied with one's life. One possible way to account for this relationship is that a third variable (number of friends) leads people to be more outgoing and more satisfied with their lives. A correlation that can be accounted for by a third variable such as number of friends is called a .

Suppose the following items were taken from the 2017 financial statements of whispering winds corp.. (all dollars are in millions.) common stock $3,230 accumulated depreciation—equipment $3,940 prepaid rent 175 accounts payable 1,560 equipment 6,940 patents 2,270 stock investments (long-term) 670 notes payable (long-term) 780 debt investments (short-term) 1,740 retained earnings 6,175 income taxes payable 150 accounts receivable 1,740 cash 1,290 inventory 1,010 prepare a classified balance sheet in good form as of december 31, 2017. (list current assets in order of liquidity.)