At december 31, 2017 and 2018, plank corp. had outstanding 4,000 shares of $100 par value 6% cumulative preferred stock and 20,000 shares of $10 par value common stock. at december 31, 2017, dividends in arrears on the preferred stock were $12,000. cash dividends declared in 2018 totaled $45,000. what amounts were payable on each class of stock? preferred stock1. $45,$02. $36,$9,0003. $24,$21,0004. $33,$12,000

1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

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answer; sensory adaptation;