Which best describes what public interest groups generally promote?

Find a company that has followed a strong strategic direction- state that generic strategy and the back-up points to support your position.

Compare the sources of consumer credit(there's not just one answer)1. consumers use a prearranged loan using special checks2. consumers use cards with no interest and non -revolving balances3. consumers pay off debt and credit is automatically renewed4. consumers take out a loan with a repayment date and have a specific purposea. travel and entertainment creditb. revolving check creditc. closed-end creditd. revolving credit

What business practice contributed most to andrew carnegie’s ability to form a monopoly?