Which ONE of the following statements concerning primary and secondary markets is CORRECT? a. Primary markets relate to the sale of new issues of shares and bonds, while secondary markets are where securities trade after initial offering. b. Secondary markets relate to the sale of new issues of shares and bonds, while primary markets are where securities trade after their initial offering. c. Primary markets offer liquidity to investors, while secondary markets do not. d. Primary markets are where bonds trade, while secondary markets are where shares trade.