True or False? If False, please explain and fix the mistake

a) Repurchase Agreements (Repos) are the most important non-deposit source of funds for commercial banks.

b) Both governments and businesses issue both debt and equity capital market securities.

c) Commercial banks often hold investment securities that are low liquid, have high level of default risk, and can easily be traded in the primary markets

d) Companies can do an IPO on the secondary market

e) Common stock be converted to corporate bond

f) The main reason why banks are leading source of external finance for business is the interest rate on bank loans are usually lower than interest rates on corporate bond