The common size income statement: a. facilitates comparisons by stating every line item as a percent of revenue b. eliminates the need to evaluate the firm by its dollar performance by showing how each component of the income statement stands as a percentage of assets c. shows the interaction of the income statement and balance sheet d. all of the above

the assumption the narrator makes in this excerpt is that the messages he heards were going to hurt the narrator's mom; the narrator just springs in to action. the narrator doesn't specify in this excerpt why he believes that the messages present a problem that requires protection.

hi there, i would say your answer is:

b. there is a fixed quantity of resources and technology available.

hope that : )

answer assertive;