Which of the following is a distinct type of countertrade arrangement?

According to Michael Porter, one of the major forces influencing competition in an industry is the threat of ________

A) Giffen goods B) independent goods C) Veblen goods D) substitute goods

If a firm with credit terms of 1/10 net 30 were to change its terms to 3/10 net 30, the result would

probably be A) increased bank loans. B) an increase in the average level of accounts receivable. C) increased accounts receivable turnover. D) a decrease in accounts payable.