Respuesta :
Answer:
D. is only available from the Commerce Department in Washington.
Explanation:
Answer: C. is often very helpful for estimating the size of a market
Explanation: The government including federal and state often publish data on many different subjects that are significantly very helpful in estimating the size of a market. To avoid making important business decisions based on unreliable data, secondary sources of data (public information that has been collected by others) from the government can be used. They are widely available, easily accessed online, and can provide great insights related to market size, trade activity, business formation, patents, pricing and economic trends, etc. Other secondary sources of data includes: Industry associations, Company websites, Trade publications and so on.