Marginal costs are the ______ cost(s) of each additional copy or unit of a product

The celebrity chef is planning her presentation on the steps for creating an elegant French dish. Which organizational pattern works best for speeches like hers?

a. tactical b. topical c. temporal d. spatial

Because of a bumbling PR campaign, the video of Harry Potter & the Sorcerer’s Stone sold poorly during its initial release

Indicate whether the statement is true or false.