The long-run average total cost curve: Group of answer choices can be derived by summing horizontally the average total cost curves of all firms in an industry. indicates the lowest unit costs achievable when a firm has had sufficient time to alter plant size. has a shape that is the inverse of the law of diminishing returns. displays declining unit costs so long as output is increasing.

in terms of experimental research, mcdonald’s charging different prices in the two cities relates to

$2.00 for three shots.

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the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.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