If total assets decreased by $50,263 during a period of time and stockholders' equity increased by $28,911 during the same period, then the amount and direction (increase or decrease) of the period's change in total liabilities is a.$50,263 decrease b.$79,174 increase c.$22,949 increase d.$79,174 decrease

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the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

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