He is most likely trying to determine how many tools are sold to all consumers in the market at various prices.
Answer: Option C
<u>Explanation:</u>
Marty by creating a market demand schedule trying to figure out number of tools are purchased by consumers and with price variations. He is doing it by tabulating the data and in this analysis the respective value for any commodity on demand schedule result into total quantities required by consumers at particular price.
Although the graphical demonstration of such data is given through demand curve and usually the relationships between the prices and the number of commodity required is just opposite to each other.
 
        
             
        
        
        
Answer:
Brainstorming
Explanation:
BRAINSTORMING can be defined as the process in which group of poeple gather together in which efforts are been made to find a conclusion and solution for a particular problem by gathering a list of ideas which is been contributed by the members, thereby providing a means for tapping the creativity of a limited number of people for a large number of ideas, decision and concepts in order to solve the problem with lateral thinking. Which is why BRAINSTORMING is the potentials participant or members have in drawing associations between their ideas in a free-thinking environment or society thereby creating solution by simulating the brain in order to come up with original ideas.