Explanation:
A focus group can be defined as a qualitative marketing research method where some people with common characteristics are brought together in a group who are guided by a trainer to promote discussions on a particular topic of interest and gather information to assist in decision making.
To organize focus groups for an innovative German-style fast food restaurant, you could separate 3 groups, the first being ages 18 to 30, the second 30-45 and the third group 45 and above.
The screening criteria could be, sources of income, profession, sex, taste for food, hobbies, etc.
The questions to ask could be related to the number of times a week people eat fast food, what is your favorite German food, how much are you willing to pay for the options offered in the restaurant, what elements do you consider most attractive in a restaurant ,etc.
Answer: c. They would do better charging $15 than $10.
Explanation:
It is given that Max and Maddy total cost of car parking remains the same, that is it does not matter whether they have seven or five cars parked on their lawn. So, since total cost is constant, Max and Maddy's decision would depend on total revenue.

Total revenue from charging, $10 is $70,
Total revenue from charging $15 is $75.
Since, total cost is constant, Max and Maddy will choose to charge $15 since it is giving them $5 more.
Answer:
D
Explanation:
Normal goods are goods that are goods whose demand increases when income increases and falls when income falls
If good X is a normal good and the consumers income increases, the demand for good X would increase
It would have been that the Law of demand not supply that didn''t hold
according to the law of supply, the higher the price, the higher the quantity supplied and the lower the price, the lower the quantity supplied.
According to the law of demand, the higher the price, the lower the quantity demanded and the lower the price, the higher the quantity demanded.