April is worried that she is not a "good speller," so she plans to let the spelling checker correct all her mistakes. What would be the most helpful advice for
April?

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the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

                                          hope it