1. An investor buys Coca-Cola (KO) share at $50 per share using $60,000 of his own money. Without using a margin loan he can buy 1,200 shares, using 60% initial margin loan he can buy 2,000 shares. Calculate his return on his initial investment ($60,000) in the two scenarios no margin and with margin purchase. a. Price is $54 b. Price is $48 c. A second investor shorted 1,500 shares of KO at the $50 price. She funded the account with $50,000. Calculate the rate of return on her initial investment at the two price scenarios