Which of the following statement is correct? a. Commercial paper are safe because the corporations could print up all the dollars it needs to pay off its obligations. b. Brokers are obligated to find suitable investments for their clients as a fiduciary. c. All the answers are incorrect. d. Firms usually invest proceeds from money market securities sales in long-term assets such as buildings and production equipment. e. Commercial paper is often used when firms are doing business internationally because it eliminates the worry that the lender will have to travel to a foreign country to collect on a debt.