If you have a choice between studying and doing another activity, you will devote your time to studying as long as the additional benefit of studying is greater than the additional cost of studying.
A)True
B)False

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the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.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

answerpublish a notice of the proposed rulemaking proceeding in the federal register;

answer trochanter; i believe this is correct, plz check first, good luck;