Use the information below for 3M Company to answer the requirements (perform these computations from the perspective of a 3M shareholder). ($millions) 2015 2014
Sales $31,718
Net income consolidated 5,787
Net income attributable to
3M shareholders 5,779
Assets 33,395 $31,886
Total equity 11,747 13,142
Equity attributable to 3M
shareholders 11,708 13,109
A. Compute return on equity (ROE).
B. Compute the DuPont model component measures for profit margin, asset turnover, and financial leverage.
C. Compute ROA.

Consider the market for gasoline. suppose that, in a competitive market without government regulations, the equilibrium price of gasoline is $3.00 per gallon, and employees at gas stations earn $17.50 per hour. complete the following table by indicating whether each of the statements is an example of a price ceiling or a price floor and whether it results in a shortage or a surplus or has no effect on the price and quantity that prevail in the market. statement price control effect the government has instituted a legal minimum price of $3.40 per gallon for gasoline. the government prohibits gas stations from selling gasoline for more than $3.40 per gallon. due to new regulations, gas stations that would like to pay better wages in order to hire more workers are prohibited from paying more than $14.50 per hour.

Match each of the terms below with an example that fits the term. a. fungibility the production of gasoline b. inelasticity the switch from coffee to tea c. non-excludability the provision of national defense d. substitution the demand for cigarettes

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?